BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//A3veen.nl - ECPv6.16.3//NONSGML v1.0//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:A3veen.nl
X-ORIGINAL-URL:https://www.a3veen.nl
X-WR-CALDESC:Evenementen voor A3veen.nl
REFRESH-INTERVAL;VALUE=DURATION:PT1H
X-Robots-Tag:noindex
X-PUBLISHED-TTL:PT1H
BEGIN:VTIMEZONE
TZID:Europe/Amsterdam
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20230326T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20231029T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20240331T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20241027T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20250330T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20251026T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20260329T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20261025T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20270328T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20271031T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20280326T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20281029T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20290325T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20291028T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20300331T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20301027T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20310330T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20311026T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20320328T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20321031T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20330327T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20331030T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20340326T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20341029T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20350325T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20351028T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20360330T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20361026T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20370329T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20371025T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20380328T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20381031T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20390327T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20391030T010000
END:STANDARD
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20400325T010000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20401028T010000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240605
DTEND;VALUE=DATE:20240606
DTSTAMP:20260601T100703
CREATED:20240329T192520Z
LAST-MODIFIED:20240605T085059Z
UID:105173-1717545600-1717631999@www.a3veen.nl
SUMMARY:Oleg Kononenko heeft als eerste persoon 1000 dagen van diens leven in de ruimte doorgebracht
DESCRIPTION:Oleg Dmitrijevitsj Kononenko (Russisch: Олег Дмитриевич Кононенко) (Tsjardzjo-oe\,Turkmeense SSR)\, 21 juni 1964) is een Russisch kosmonaut die op 5 juni 2024 als eerste persoon meer dan duizend uren van diens leven heeft doorgebracht in de ruimte. \nKononenko was vluchtingenieur voor twee ISS-missies: ISS Expeditie 17 en Sojoez TMA-12 die op 8 april 2008 aan ISS werd gekoppeld. Hij keerde terug naar de aarde op 24 oktober 2008. Kononenko was ook commandant van Sojoez-missie TMA-03M\, die op 21 december 2011 naar het ruimtestation ISS vertrok en op 1 juli 2012 landde en waaraan ook de Nederlander André Kuipers en de Amerikaan Don Pettit deelnamen. Zij maakten deel uit van ISS Expeditie 30 en ISS Expeditie 31. Oleg vloog voor zijn derde missie naar het Internationaal Ruimtestation op 22 juli 2015 als commandant van de Sojoez TMA-17M. Samen met NASA-astronaut Kjell Lindgren en de Japanse astronaut Kimiya Yui verbleef hij 5 maanden in het ruimtestation tijdens Expeditie 44 en Expeditie 45. De Sojoez koppelde af op 11 december 2015 en het drietal landde op de steppe van Kazachstan in een nachtlanding. Kononenko heeft een totaal van 736 dagen in de ruimte doorgebracht tijdens zijn vier ISS-missies. Hij vloog op 3 december 2018 opnieuw naar het ISS als commandant van Sojoez MS-11 samen met David Saint-Jacques en Anne McClain. Deze crew nam deel aan ISS-Expeditie 58 en ISS-Expeditie 59. Op 15 september 2023 werd Kononenko gelanceerd aan boord van Sojoez MS-24 en zal een jaar in het internationale ruimtestation verblijven en zal daar zijn duizendste dag in de ruimte beleven. \nLinks:\nNiemand was zo lang in de ruimte als kosmonaut Oleg Kononenko: hoe houdt hij dat vol? \nCosmonaut Oleg Kononenko sets world record for most time spent in space \nBiographies of USSR / Russian Cosmonauts: Kononenko
URL:https://www.a3veen.nl/event/oleg-kononenko-verwacht-als-eerste-persoon-1000-dagen-van-diens-leven-in-de-ruimte-te-hebben-doorgebracht/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240609
DTEND;VALUE=DATE:20240614
DTSTAMP:20260601T100703
CREATED:20240607T183458Z
LAST-MODIFIED:20250107T193721Z
UID:118699-1717891200-1718323199@www.a3veen.nl
SUMMARY:#AAS244 meeting
DESCRIPTION:The American Astronomical Society (AAS) is an American society of professional astronomers and other interested individuals\, headquartered in Washington\, DC. \nThe primary objective of the AAS is to promote the advancement of astronomy and closely related branches of science\, while the secondary purpose includes enhancing astronomy education and providing a political voice for its members through lobbying and grassroots activities. Its current mission is to enhance and share humanity’s scientific understanding of the universe as a diverse and inclusive astronomical community. One goal of the Society to help achieve its mission is to facilitate and strengthen the interactions among members through professional meetings and other means\, including supporting AAS Divisions and others in the field. AAS Meeting Services provides comprehensive meeting planning and support to our Divisions\, ourselves\, and others in the astronomical sciences. \nLinks:\n244th AAS meeting
URL:https://www.a3veen.nl/event/aas244-meeting/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240610T230000
DTEND;TZID=Europe/Amsterdam:20240610T233000
DTSTAMP:20260601T100703
CREATED:20240610T075752Z
LAST-MODIFIED:20250212T142817Z
UID:109204-1718060400-1718062200@www.a3veen.nl
SUMMARY:The Sky at Night - Cosmic Ghosts (TV BBC Four)
DESCRIPTION:The Sky at Night is a monthly documentary television programme on astronomy produced by the BBC. \nThe show had the same permanent presenter\, Patrick Moore\, from its first broadcast on 24 April 1957 until 7 January 2013. The latter date was a posthumous broadcast\, which followed Moore’s death on 9 December 2012. This made it the longest-running programme with the same presenter in television history. Many early episodes are missing\, either because the tapes were wiped\, thrown out\, or because the episode was broadcast live and never recorded in the first place. \nBeginning with the 3 February 2013 edition\, the show was co-presented by Lucie Green and Chris Lintott. Since December 2013 Maggie Aderin-Pocock has been a presenter. The programme’s opening and closing theme music is “At the Castle Gate”\, from the incidental music to Pelléas et Mélisande\, written in 1905 by Jean Sibelius\, performed by the Royal Philharmonic Orchestra and conducted by Sir Thomas Beecham. \nThis episode:\nThis month\, The Sky at Night has a spooky twist. Across the universe\, there are hidden objects that we can’t see\, but astronomers and scientists still believe they’re out there. To find out how we know that these mysterious objects exist\, the team are going ghost-hunting. Cosmic ghost-hunting. \nProf Chris Lintott and Dr Maggie Aderin-Pocock are at Provan Hall\, one of the oldest buildings in Glasgow and the site of several supposed ghost sightings across its 550-year history. But they aren’t looking for anything supernatural. Instead\, they’re meeting the scientists and astronomers trying to solve some of the universe’s greatest mysteries by finding new ways to sense what surrounds us in the cosmos. \nIn the medieval rooms of Provan Hall\, Chris meets Dr Olivia Jones from the UK Astronomy Centre and discovers how a tool often employed by ghost hunters is actually great for finding objects hidden in the dust of the cosmos. He also meets Prof Tessa Baker from the University of Portsmouth\, who shows him how ripples in space-time are helping scientists to detect new\, unseen cosmic events. And while scanning the house for spooky sounds\, Maggie hears a voice from the past\, which leads her to uncover the wonderful work of Vera Rubin – a trailblazing astronomer who helped to prove the existence of dark matter. \nAcross the country\, and over a kilometre further below the Earth’s surface\, guest presenter Prof Chamkaur Ghag is at the Boulby Underground Laboratory. While there\, he discovers how the incredible research site has changed since Patrick Moore and The Sky at Night team visited 20 years ago and meets some of the Boulby team who are working on the hunt for ghostly dark matter particles. \nMeanwhile\, Pete Lawrence is at the Bedford School Observatory to show us how to find and photograph inky\, ghost-like objects in the sky known as dark nebulae\, and to tell us what to look out for in the night sky over the next month. \nLinks:\nThe Sky at Night
URL:https://www.a3veen.nl/event/the-sky-at-night-cosmic-ghosts-tv-bbc-four/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240620T200000
DTEND;TZID=Europe/Amsterdam:20240620T210000
DTSTAMP:20260601T100703
CREATED:20240620T074923Z
LAST-MODIFIED:20240718T090338Z
UID:109701-1718913600-1718917200@www.a3veen.nl
SUMMARY:Babelsberger Sternennächte : Von 2024BX1 nach Ribbeck - Meteoritenfund in Brandenburg (TV webcast)
DESCRIPTION:Die Babelsberger Sternennächte finden online statt\, in der Regel gibt es immer am 3. Donnerstag im Monat einen neuen Vortrag einer Wissenschaftlerin oder eines Wissenschaftlers des AIP\, der ab 20 Uhr auf dem YouTube-Kanal von Urknall\, Weltall und das Leben ausgestrahlt wird (Playlist). \nAsteroiden\, kleine Gesteinsbrocken im Sonnensystem\, kommen uns normalerweise nicht sehr nahe. Doch am 20. Januar 2024 wurde ein etwa ein Meter großes Exemplar entdeckt\, das nur knapp drei Stunden später auf die Erdoberfläche traf. Beim Eintritt in die Atmosphäre leuchtete das Objekt als mondhelle Feuerkugel auf\, die in der sternklaren Nacht weithin zu sehen war. Nach dem Ende der leuchtenden Bahn in rund 20 Kilometern Höhe gingen die Fragmente als Meteorite zu Boden. Beobachtungen der Feuerkugel durch Videokameras erlaubten eine genaue Berechnung des Fallortes\, der sich westlich von Nauen in Ribbeck befand. \nSofort wurden Suchaktionen organisiert\, um das frische Material schnell für Untersuchungen zu sichern. Ab dem 23. Januar wurden insgesamt mehr als 200 dokumentierte Fundstücke eingesammelt und untersucht. Dabei stellte sich heraus\, dass die Meteoriten aus dem überaus seltenen Material Aubrit bestehen. Der Meteoritentyp Aubrit ist benannt nach dem Fundort des ersten derartigen Stückes in Aubres\, Frankreich\, 1836. Der Kleinkörper stammt wahrscheinlich aus einem heißen Bereich unseres Sonnensystems und erlebte in seiner Geschichte viele Zusammenstöße mit anderen Gesteinsbrocken. So ist das Material sehr fragil; viele Stücke sind beim Aufprall zersplittert. Die Schmelzkruste ist glasartig und voller Blasen und muss sehr schnell erstarrt sein. Einzelne Meteoritenproben befinden sich noch in Laboren für Isotopenuntersuchungen. Dies ist erst das vierte Mal\, dass Stücke eines zuvor als Asteroid beobachteten Objekts am Boden zu finden waren. \n„Es ist ein großartiger Glückstreffer\, dass der Asteroid mitten in Europa\, sozusagen vor unserer Haustür\, einschlug\, und seine Bahn genau berechnet werden konnte“\, sagt Dr. Jürgen Rendtel\, Mitarbeiter der Abteilung Sonnenphysik\, Experte für Meteoriten und erfolgreicher Finder mehrere Meteoritenstücke. Er erzählt in seinem Vortrag mit dem Titel „Von 2024BX1 nach Ribbeck“ von der Entdeckung des Asteroiden und der mühsamen Suche nach den Bruchstücken auf den Feldern bei Ribbeck. Dabei geht er auch auf die besonderen Eigenschaften des Materials ein. Eine Zusammenfassung der Meteoritensuche und bisherigen Ergebnisse erscheint am 26.06.2024 in einem Artikel von Jürgen Rendtel und Koautoren in der Zeitschrift WGN\, The Journal of the International Meteor Organization. \nBitte beachten Sie\, dass fast alle Vorträge auf Deutsch gehalten werden. \nLink:\nBabelsberger Sternennächte
URL:https://www.a3veen.nl/event/babelsberger-sternennachte-von-2024bx1-nach-ribbeck-meteoritenfund-in-brandenburg-tv-webcast/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240621
DTEND;VALUE=DATE:20240622
DTSTAMP:20260601T100703
CREATED:20240713T125405Z
LAST-MODIFIED:20240713T140224Z
UID:110676-1718928000-1719014399@www.a3veen.nl
SUMMARY:Transmission Spectroscopy of the Habitable Zone Exoplanet LHS 1140 b with JWST/NIRISS - publication
DESCRIPTION:Located 50 light-years from Earth\, the beady-eyed exoplanet LHS 1140 b could be a perfect candidate for discovering liquid water outside the solar system\, research ‘Transmission Spectroscopy of the Habitable Zone Exoplanet LHS 1140 b with JWST/NIRISS‘ suggests. \nLinks:\nHabitable Zone Exoplanet LHS 1140b is Probably Snowball or Water World \n‘Eyeball’ planet spied by James Webb telescope might be habitable
URL:https://www.a3veen.nl/event/transmission-spectroscopy-of-the-habitable-zone-exoplanet-lhs-1140-b-with-jwst-niriss-publication/
CATEGORIES:Astronomie,Exoplaneet
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240625T232600
DTEND;TZID=Europe/Amsterdam:20391025T000000
DTSTAMP:20260601T100703
CREATED:20241025T055924Z
LAST-MODIFIED:20241025T211716Z
UID:115444-1719357960-2203113600@www.a3veen.nl
SUMMARY:GOES-19
DESCRIPTION:GOES-19 (designated GOES-U prior to reaching geostationary orbit) is a weather satellite\, the fourth and last of the GOES-R series of satellites operated by the National Oceanic and Atmospheric Administration (NOAA). \nThe GOES-R series will extend the availability of the Geostationary Operational Environmental Satellite (GOES) system until 2036. The satellite is built by Lockheed Martin\, based on the A2100 platform. The satellite was successfully launched into space atop a SpaceX Falcon Heavy rocket on 25 June 2024 at 21:26 UTC from the Kennedy Space Center in Florida\, United States. The redesign of the loop heat pipe to prevent an anomaly\, as seen in GOES-17\, is not expected to delay the launch as it did with GOES-T. GOES-U also carries a copy of the Naval Research Laboratory’s Compact CORonagraph (CCOR) instrument which\, along with the CCOR planned for Space Weather Follow On-Lagrange 1 (SWFO-L1)\, will allow continued monitoring of solar wind after the retirement of the NASA–ESA SOHO satellite in 2025. GOES-U has a dry mass of 2\,925 kg and a fueled mass of 5\,000 kg. \nLinks:\nGEOS – R\n\nGOES-U Mission Overview \nSatellite: GOES-19 \nWatch sun erupt in 1st images from NOAA’s groundbreaking new satellite (photos)
URL:https://www.a3veen.nl/event/goes-19/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240626
DTEND;VALUE=DATE:20240627
DTSTAMP:20260601T100703
CREATED:20241203T170957Z
LAST-MODIFIED:20250131T105549Z
UID:117501-1719360000-1719446399@www.a3veen.nl
SUMMARY:Asteroid (101955) Bennu in the laboratory: Properties of the sample collected by OSIRIS-REx - publication
DESCRIPTION:On September 24\, 2023\, NASA’s OSIRIS-REx spacecraft dropped a capsule to Earth containing pristine carbonaceous regolith collected from the near-Earth asteroid Bennu\, these samples were obtained after the probe took an impressive\, seven-year roundtrip journey through the solar system and back. \nSince these space rock pieces arrived (approximately 120 grams of sample\, to be precise) scientists have highly anticipated an analysis of the specimens that can tell us what molecules lie within Bennu.  They’ve been hoping to find clues about the history of our solar system\, seeing as Bennu should’ve been present when our cosmic neighborhood was coming together\, and prebiotic molecules that might provide insights into the origin of life on Earth. It’s possible\, many experts speculated\, that these samples could host the seeds of other essential ingredients\, such as water\, that could have contributed to Earth’s habitability if they ended up on our planet\, too. The paper about the results was published in the journal Meteoritics & Planetary Science. \nLinks:\nPhosphate in NASA’s OSIRIS-REx asteroid sample suggests space rock Bennu hails from an ocean world / NASA’s Asteroid Samples May Be Crumbs From an Ancient Ocean World \nPekel van planetoïde Bennu bevat mineralen die cruciaal zijn voor leven / An evaporite sequence from ancient brine recorded in Bennu samples – publication
URL:https://www.a3veen.nl/event/asteroid-101955-bennu-in-the-laboratory-properties-of-the-sample-collected-by-osiris-rex-publication/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240629T080000
DTEND;TZID=Europe/Amsterdam:20240629T170000
DTSTAMP:20260601T100703
CREATED:20240629T172408Z
LAST-MODIFIED:20240629T172910Z
UID:110064-1719648000-1719680400@www.a3veen.nl
SUMMARY:Meteorenzwerm τ-Aquariden in juni 2024
DESCRIPTION:De meteorenzwerm τ-Aquariden bereikt op zaterdag 29 juni 2024\, rond 17:00\, zijn maximum. \nWanneer de radiant in het zenit zou staan\, zouden er van deze zwerm naar verwachting gemiddeld zo’n 7 meteoren per uur vallen. Rond 06:00 staat de radiant van de zwerm in het hoogste punt (op 26°) aan de hemel. Het beste moment om τ-Aquariden waar te nemen is op 30 juni rond 04:00. Dat is circa 11 uur na het moment van het maximum\, wat niet ideaal is voor een zwerm met een korte piek als deze. Hierdoor zijn zeker 30% minder meteoren te zien dan in het meest gunstige geval. De radiant staat op dat moment zo’n 22° boven de zuidzuidoostelijke horizon; niet erg gunstig. Er is dan bij ons ieder uur niet meer dan één meteoor zichtbaar van deze zwerm. Samen met meteoren van andere zwermen\, en sporadische meteoren\, zijn er bij donkere\, heldere hemel in totaal circa 2–6 “vallende sterren” per uur te zien. De Maan komt om 01:38 op\, is voor ongeveer 35% verlicht en kan eventueel storen. Rond 04:30 gaat het schemeren en om 05:23 komt de Zon op. \nLinks:\nMeteorenzwerm τ-Aquariden in juni 2024
URL:https://www.a3veen.nl/event/meteorenzwerm-%cf%84-aquariden-in-juni-2024/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240630
DTEND;VALUE=DATE:20240701
DTSTAMP:20260601T100703
CREATED:20240630T150553Z
LAST-MODIFIED:20240630T165353Z
UID:110079-1719705600-1719791999@www.a3veen.nl
SUMMARY:#AsteroidDay / Dag van de Planetoïde 2024
DESCRIPTION:Asteroid Day (also known as International Asteroid Day) is an annual global event which is held on the anniversary of the Siberian Tunguska event that took place on June 30\, 1908\, the most harmful known asteroid–related event on Earth in recent history. \nThe United Nations has proclaimed it be observed globally on June 30 every year in its resolution. Asteroid Day aims to raise awareness about asteroids and what can be done to protect the Earth\, its families\, communities\, and future generations from a catastrophic event.\n\nLinks:\nAsteroid Day \nTorino scale \nAgenda 30-06-2023 – #AsteroidDay \nAsteroid Day TV \nSpecial asteroid edition of NASA Science Live \nAsteroid Day playlist \nOptimization and decision-making framework for multi-staged asteroid deflection campaigns under epistemic uncertainties \nLearn – What is an Asteroid? \nWhat Really Happened on The Day Dinosaurs Died – New Findings \nSkyfall – Tracking the asteroids that menace Earth \nAsteroid Day Space Lecture
URL:https://www.a3veen.nl/event/asteroidday-dag-van-de-planetoide-2024/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240708T230000
DTEND;TZID=Europe/Amsterdam:20240708T233000
DTSTAMP:20260601T100703
CREATED:20240708T101451Z
LAST-MODIFIED:20240708T101816Z
UID:110395-1720479600-1720481400@www.a3veen.nl
SUMMARY:The Sky at Night - Webb Telescope: The Story So Far (TV BBC Four / BBC iPlayer)
DESCRIPTION:The Sky at Night is a monthly documentary television programme on astronomy produced by the BBC. \nThe show had the same permanent presenter\, Patrick Moore\, from its first broadcast on 24 April 1957 until 7 January 2013. The latter date was a posthumous broadcast\, which followed Moore’s death on 9 December 2012. This made it the longest-running programme with the same presenter in television history. Many early episodes are missing\, either because the tapes were wiped\, thrown out\, or because the episode was broadcast live and never recorded in the first place. \nBeginning with the 3 February 2013 edition\, the show was co-presented by Lucie Green and Chris Lintott. Since December 2013 Maggie Aderin-Pocock has been a presenter. The programme’s opening and closing theme music is “At the Castle Gate”\, from the incidental music to Pelléas et Mélisande\, written in 1905 by Jean Sibelius\, performed by the Royal Philharmonic Orchestra and conducted by Sir Thomas Beecham. \nThis episode:\nIn July 2022\, the James Webb Space Telescope (JWST) released its first images. They were visually stunning\, and it was clear they provided more detail of stars\, galaxies and planets than ever before. But for the scientists waiting on the data\, this was just the beginning of their journey to discover what the new telescope would reveal. Since then\, they have been working hard and publishing papers on all the data JWST has been sending back. \nTwo years ago\, just after the first images were released\, Chris Lintott set off on a road trip to meet some of the scientists that were excitedly waiting on the first data. He wanted to find out what they hoped it could reveal. To mark the second anniversary Chris\, along with fellow presenters Maggie Aderin-Pocock and George Dransfield\, headed off to meet scientists old and new\, to find out what the Webb Telescope has told us so far. \nChris gives us a run-down of the highs and lows the Webb Telescope has been through and the other discoveries it has made. Maggie is off to Bristol University to revisit Dr Hannah Wakeford who has been using JWST data to reveal what interesting chemicals exoplanet atmospheres contain. \nGeorge meets Professor Leigh Fletcher at the University of Leicester. When Chris met him two years ago\, only one JWST image of Jupiter had been released. Now\, he has data from all four of the outer planets of the solar system\, and they have all thrown up surprises. JWST has revealed new jet streams on Jupiter and provided a greater understanding of its Galilean moons. Seasonal changes on Saturn have now been documented\, and Uranus and Neptune have thrown up quirks that need another few years of work to understand. \nChris also visits the University of Cambridge to meet Dr Sandro Tacchella\, who has been part of a team looking back at some of the earliest galaxies. He explains what new light the JWST data can shed on ancient stars\, and what that can reveal about how our cosmos formed after the Big Bang. \nFinally\, our resident astronomer Pete Lawrence guides us through what there is to see in this month’s night sky\, and how you too can look at some of the same targets as the James Webb Space Telescope – just not quite in the same level of detail! \nLinks:\nThe Sky at Night
URL:https://www.a3veen.nl/event/the-sky-at-night-webb-telescope-the-story-so-far-tv-bbc-four-bbc-iplayer/
CATEGORIES:Astronomie,TV
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240709T200000
DTEND;TZID=Europe/Amsterdam:20240709T235900
DTSTAMP:20260601T100703
CREATED:20240708T073003Z
LAST-MODIFIED:20260212T191048Z
UID:110453-1720555200-1720569540@www.a3veen.nl
SUMMARY:Ariane 6 - launch / lancering : Europe's new rocket launching for 1st time ever (TV ESA Web TV / YouTube)
DESCRIPTION:Ariane 6 is scheduled to launch on 9 July 2024\, with a launch window from 15:00-19:00 local time at Europe’s Spaceport in French Guiana (19:00–23:00 BST\, 9 July 20:00–10 July 00:00 CEST). \nAriane 6 is a European expendable launch system operated by Arianespace and developed and produced by ArianeGroup on behalf of the European Space Agency (ESA). It replaces the Ariane 5\, as part of the Ariane launch vehicle family. This two-stage rocket utilizes liquid hydrogen and liquid oxygen (hydrolox) engines. The first stage features an upgraded Vulcain engine from the Ariane 5\, while the second uses the Vinci engine\, designed specifically for this rocket. The first launch in 2024 used the variant Ariane 62 (A62)\, with two P120C solid boosters\, weighs around 530\,000 kg at liftoff and is mainly for government and scientific missions. It can launch up to 4\,500 kg into geosynchronous transfer orbit (GTO) and 10\,350 kg into low Earth orbit (LEO). The P120 is shared with Europe’s other launch vehicle\, the Vega C\, and is an improved version of the P80 used on the original Vega. Selected in December 2014 over an all-solid-fuel option\, the Ariane 6 was originally targeted for a 2020 launch. However\, the program encountered delays\, pushing the first launch attempt to 9 July 2024. Designed to halve launch costs and increase annual capacity from seven to eleven missions compared to its predecessor\, the Ariane 6 has faced criticism for its launch price and lack of reusability. European officials defend the program\, saying it provides crucial independent space access for its member nations. \n \nLinks:\nAriane 6 launch: how to watch and what to look out for \nEurope’s new Ariane 6 rocket launching for 1st time ever this week \nESA Web TV – live stream
URL:https://www.a3veen.nl/event/ariane-6-launch-lancering-tv-esa-web-tv-20240709/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240712T220000
DTEND;TZID=Europe/Amsterdam:20240712T230000
DTSTAMP:20260601T100703
CREATED:20240712T200036Z
LAST-MODIFIED:20240712T200055Z
UID:110669-1720821600-1720825200@www.a3veen.nl
SUMMARY:Cosmology in Crisis? Confronting the Hubble Tension (TV webcast)
DESCRIPTION:How fast is the universe expanding? \nTwo prominent approaches are finding different answers\, propelling cosmology toward a crisis. Wendy Freedman\, a renowned astronomer who has spent decades seeking the expansion rate\, joins Brian Greene to discuss the latest thinking on this so-called Hubble Tension. This program is part of the Big Ideas series\, supported by the John Templeton Foundation. \nLinks:\nWorld science festival
URL:https://www.a3veen.nl/event/cosmology-in-crisis-confronting-the-hubble-tension-tv-webcast/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240718T200000
DTEND;TZID=Europe/Amsterdam:20240718T210000
DTSTAMP:20260601T100703
CREATED:20240718T084726Z
LAST-MODIFIED:20240719T175656Z
UID:110906-1721332800-1721336400@www.a3veen.nl
SUMMARY:Babelsberger Sternennächte : Neues aus der Sonnenumgebung - Braune Zwerge (TV webcast)
DESCRIPTION:Die Babelsberger Sternennächte finden online statt\, in der Regel gibt es immer am 3. Donnerstag im Monat einen neuen Vortrag einer Wissenschaftlerin oder eines Wissenschaftlers des AIP\, der ab 20 Uhr auf dem YouTube-Kanal von Urknall\, Weltall und das Leben ausgestrahlt wird (Playlist). \nWie viele Braune Zwerge gibt es eigentlich in der Sonnenumgebung? Sind bereits alle bekannt? Auf diese und weitere Fragen geht Dr. Ralf-Dieter Scholz in seinem Vortrag ein. In Ergänzung zu seinem früheren Vortrag bei „Urknall\, Weltall und das Leben“ stellt er hier vor\, welche neuen Erkenntnisse die europäische Weltraummission Gaia mittlerweile geliefert hat. Die Gaia-Beobachtungen im optischen Bereich sind für Braune Zwerge nur begrenzt nutzbar und waren für viele Komponenten von engen Mehrfachsystemen\, also Doppelsterne und auch Systeme mit Braunen Zwergen\, bisher noch nicht ausreichend für die Bestimmung ihrer Entfernungen\, Eigenbewegungen und Bahnparameter. Aber Beobachtungen mit erdgebundenen und Weltraum-Teleskopen im infraroten Bereich führten in den letzten 25 Jahren zu einer Vielzahl von Entdeckungen der masseärmsten Sterne und Braunen Zwerge in der unmittelbaren Umgebung der Sonne\, Beiträge dazu kamen auch aus dem AIP. Eine 2023 veröffentlichte Zusammenstellung aller bekannten Sterne und Braunen Zwerge bis zu einer Entfernung von 20 Parsec scheint nun zumindest innerhalb von 10 Parsec vollständig zu sein. Im kürzlich erschienenen Artikel Scholz & Mints (2024) in der Zeitschrift Research Notes of the American Astronomical Society (RNAAS) diskutieren Ralf-Dieter Scholz und Alexey Mints\, ob nun alle stellaren und substellaren Nachbarn der Sonne innerhalb von 10 Parsec bekannt sind – oder Zweifel angebracht wären. Sobald der neue Vortrag verfügbar ist\, ist der Link direkt auf dieser Seite zu finden. Bitte beachten Sie\, dass fast alle Vorträge auf Deutsch gehalten werden. \nLinks:\nBabelsberger Sternennächte
URL:https://www.a3veen.nl/event/babelsberger-sternennachte-tv-webcast-20240718/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240720
DTEND;VALUE=DATE:20240721
DTSTAMP:20260601T100703
CREATED:20240720T170648Z
LAST-MODIFIED:20240724T160309Z
UID:111031-1721433600-1721519999@www.a3veen.nl
SUMMARY:Moon Day 2024
DESCRIPTION:The General Assembly declared International Moon Day\, a United Nations-designated international day to be observed annually on 20 July\, in its resolution 76/76 on “International cooperation in the peaceful uses of outer space” in 2021. \nInternational Moon Day marks the anniversary of the first landing by humans on the Moon as part of the Apollo 11 lunar mission. The celebrations will also consider the achievements of all States in the exploration of the Moon and raise public awareness of sustainable Moon exploration and utilization. For thousands of years\, human civilizations have looked up to the sky pondering the origin and mysteries of the Moon – our only natural satellite. Ground-based observations enabled by the invention of the first telescopes opened a new chapter in our understanding of our celestial companion. With the birth of space activities\, the Moon became the ultimate destination of countless missions\, including crewed flights that brought the first human footprints to another place in the universe. As Moon exploration efforts continue taking shape with ambitious plans\, this global celebration will serve not only as a reminder of success in the past\, but as an annual testimony to future endeavours. \nLinks:\nMoon Day \nMoonDay.org \nApollo 11 \nApolloprogramma NASA \nApollo 11 Real-Time Mission Experience \nRare Views of the Moon\, as Seen by Apollo Astronauts \nLetter To The World After The Apollo Astronauts Died On The Moon
URL:https://www.a3veen.nl/event/moon-day-2024/
CATEGORIES:Astronomie,Maan
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240722
DTEND;VALUE=DATE:20240726
DTSTAMP:20260601T100703
CREATED:20240722T194459Z
LAST-MODIFIED:20240726T195222Z
UID:111334-1721606400-1721951999@www.a3veen.nl
SUMMARY:#10thMars conference
DESCRIPTION:The Tenth International Conference on Mars will be an ideal time to take fresh stock of our body of Red Planet knowledge\, share discoveries\, review recommendations and findings of the various community strategic visions\, and revisit our list of top science objectives. \nIt is also an opportunity to look ahead to the science of Mars Sample Return\, ESA’s ExoMars Rover and Surface Platform\, JAXA’s Martian Moons Exploration (MMX) mission\, other missions in development worldwide\, and NASA’s Moon to Mars human exploration architecture. Contributions from Mars scientists in all scientific sub-disciplines are invited\, including specific data-driven abstracts and broader synthesis abstracts. Oral presentations will be selected with a preference for those integrating individual science results\, placing a current state of understanding within a larger context and addressing the evolution of scientific objectives as motivated by ongoing discovery and scholarship. \nLinks:\n10th Mars conference
URL:https://www.a3veen.nl/event/10thmars-conference/
CATEGORIES:Astronomie,Mars
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240724
DTEND;VALUE=DATE:20240725
DTSTAMP:20260601T100703
CREATED:20240818T231157Z
LAST-MODIFIED:20240820T130352Z
UID:112071-1721779200-1721865599@www.a3veen.nl
SUMMARY:NASA’s Webb Telescope Finds Evidence For An Ocean World Around Uranus / JWST Reveals CO Ice\, Concentrated CO2 Deposits\, and Evidence for Carbonates Potentially Sourced from Ariel's Interior - publication
DESCRIPTION:The research paper “JWST Reveals CO Ice\, Concentrated CO2 Deposits\, and Evidence for Carbonates Potentially Sourced from Ariel’s Interior” argues that it may be coming from a liquid ocean beneath the surface of the Uranian moon Ariel. \nLinks:\nNASA’s Webb Telescope Finds Evidence For An Ocean World Around Uranus
URL:https://www.a3veen.nl/event/nasas-webb-telescope-finds-evidence-for-an-ocean-world-around-uranus-jwst-reveals-co-ice-concentrated-co2-deposits-and-evidence-for-carbonates-potentially-sourced-from-ariels-interior/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240724T200000
DTEND;TZID=Europe/Amsterdam:20240724T213000
DTSTAMP:20260601T100703
CREATED:20240724T013544Z
LAST-MODIFIED:20240724T113951Z
UID:111201-1721851200-1721856600@www.a3veen.nl
SUMMARY:The biggest ideas in the Universe 2 (TV webcast)
DESCRIPTION:Immense\, strange and infinite\, the world of modern physics often feels impenetrable to the undiscerning eye; a jumble of muons\, gluons and quarks are impossible to explain without several degrees and a research position at CERN. \nBut it doesn’t have to be this way! In this livestream\, world-renowned theoretical physicist and bestselling author Sean Carroll will guide you through the biggest ideas in the universe. In an elegant and simple way\, Carroll unravels a web of theories to get to the heart of the truths they represent about the world around us. Sean delves into the baffling and beautiful world of quantum mechanics. From Schrödinger to Feynman\, he travels through the quantum revolution with the twentieth century’s greatest minds. Exploring how several decades of research overturned centuries of convention\, he provides a dazzling tour of the most exciting ideas in modern science. \nLinks:\nThe biggest ideas in the Universe 2 \nThe biggest ideas in the Universe 1
URL:https://www.a3veen.nl/event/the-biggest-ideas-in-the-universe-2-tv-webcast/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240725
DTEND;VALUE=DATE:20240726
DTSTAMP:20260601T100703
CREATED:20240725T193613Z
LAST-MODIFIED:20240730T212649Z
UID:111450-1721865600-1721951999@www.a3veen.nl
SUMMARY:NASA’s Perseverance Rover Scientists Find Intriguing Mars Rock - publication
DESCRIPTION:NASA’s Perseverance Rover found a fascinating rock that has some indications it may have hosted microbial life billions of years ago\, but further research is needed. \nA vein-filled rock is catching the eye of the science team of NASA’s Perseverance rover. Nicknamed “Cheyava Falls” by the team\, the arrowhead-shaped rock contains fascinating traits that may bear on the question of whether Mars was home to microscopic life in the distant past. Analysis by instruments aboard the rover indicates the rock possesses qualities that fit the definition of a possible indicator of ancient life. The rock exhibits chemical signatures and structures that could possibly have been formed by life billions of years ago when the area being explored by the rover contained running water. Other explanations for the observed features are being considered by the science team\, and future research steps will be required to determine whether ancient life is a valid explanation. The rock — the rover’s 22nd rock core sample — was collected on July 21\, as the rover explored the northern edge of Neretva Vallis\, an ancient river valley measuring 400 meters wide that was carved by water rushing into Jezero Crater long ago. \nLinks:\nNASA’s Perseverance Rover Scientists Find Intriguing Mars Rock \nDie Nasa präsentiert ein Marsgestein\, das möglicherweise Spuren einstigen Lebens enthält – mit der Betonung auf möglicherweise
URL:https://www.a3veen.nl/event/nasas-perseverance-rover-scientists-find-intriguing-mars-rock-publication/
CATEGORIES:Astronomie,Mars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240729T160000
DTEND;TZID=Europe/Amsterdam:20240729T170000
DTSTAMP:20260601T100703
CREATED:20240729T080218Z
LAST-MODIFIED:20240729T080218Z
UID:111392-1722268800-1722272400@www.a3veen.nl
SUMMARY:Meteorenzwerm δ-Cassiopeiïden in juli 2024
DESCRIPTION:De meteorenzwerm δ-Cassiopeiïden bereikt op maandag 29 juli 2024\, rond 16:00\, zijn maximum. \nWanneer de radiant in het zenit zou staan\, zouden er van deze zwerm naar verwachting gemiddeld zo’n 10 meteoren per uur vallen. De radiant van de zwerm staat rond 06:00 in het hoogste punt aan de hemel\, op 79° boven de horizon. Het beste moment om δ-Cassiopeiïden waar te nemen is op 30 juli rond 03:15. De radiant van de zwerm staat dan ongeveer 66° boven de horizon\, in het noordoosten. Door de matige omstandigheden zijn er in onze streken dan vermoedelijk maar circa 2–6 meteoren per uur van deze zwerm te zien. In totaal zijn er\, door meteoren van andere zwermen en sporadische meteoren\, bij donkere en heldere hemel circa 8–15 meteoren per uur zichtbaar. Op een goed donkere plek zijn bijna vier keer zoveel meteoren te zien als in dichtbevolkt gebied. De Maan komt om 00:38 op\, is voor ongeveer 30% verlicht en kan eventueel storen. Rond 05:15 gaat het schemeren en om 05:58 komt de Zon op. Over het algemeen zijn de de meteoren van een zwerm niet alleen op de dag van het maximum zichtbaar. Zo is gedurende circa 5 dagen rondom het maximum meer dan 50% van het maximale aantal meteoren (2 per uur) van de δ-Cassiopeiïden te zien. Tot 6 dagen voor en na het maximum zijn nog meteoren van deze zwerm te herkennen. De zwerm heeft daarmee een relatief korte piek. Er zijn dus nog meer kansen\, voor het geval het in de nacht van het maximum niet helder is. Iedere dag verder weg van het maximum zijn er echter wel ongeveer 20% minder meteoren per uur te zien. De snelheden van de meteoren van de δ-Cassiopeiïden zijn behoorlijk hoog: zo’n 60 km/s\, dat is circa 216.000 km/uur! \nLinks:\nMeteorenzwerm δ-Cassiopeiïden in juli 2024
URL:https://www.a3veen.nl/event/meteorenzwerm-%ce%b4-cassiopeiiden-in-juli-2024/
CATEGORIES:Astronomie,Meteoren
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240808T080000
DTEND;TZID=Europe/Amsterdam:20240808T170000
DTSTAMP:20260601T100703
CREATED:20240808T025706Z
LAST-MODIFIED:20240811T174546Z
UID:111758-1723104000-1723136400@www.a3veen.nl
SUMMARY:Meteorenzwerm δ-Aquariden noord in augustus 2024
DESCRIPTION:De meteorenzwerm δ-Aquariden noord bereikt op 8 augustus 2024\, rond 12:00\, zijn maximum. \nZelfs wanneer de radiant in het zenit zou staan\, zouden er van deze zwerm naar verwachting gemiddeld slechts zo’n 4 meteoren per uur vallen. Rond 03:30 staat de radiant van de zwerm in het hoogste punt (op 40°) aan de hemel. Er is dan bij ons ieder uur slechts een enkele meteoor van deze zwerm zichtbaar. Samen met meteoren van andere zwermen\, en sporadische meteoren\, zijn er bij donkere\, heldere hemel in totaal circa 14–22 “vallende sterren” per uur te zien. Op een donkere locatie zijn circa vier keer zoveel meteoren te zien als in dichtbevolkt gebied. De Maan stoort niet. Rond 05:30 gaat het schemeren en om 06:14 komt de Zon op. De meteoren van de meeste zwermen verschijnen niet allemaal op de dag van het maximum. Zo is gedurende circa 21 dagen rondom het maximum ruim de helft van het maximale aantal meteoren van de δ-Aquariden noord te zien. Tot 13 dagen voor en na het maximum zijn nog meteoren van deze zwerm te herkennen. De zwerm heeft daarmee een vrij lange piek. Probeer dus ook enkele nachten voor en na het maximum meteoren waar te nemen. Iedere dag verder weg van het maximum zijn er echter wel ongeveer 7% minder meteoren per uur te zien. De typische snelheden van de meteoren in deze zwerm zijn met circa 37 km/s (ongeveer 133.200 km/uur) vrij gemiddeld. Er is geen speciale apparatuur nodig om meteoren waar te kunnen nemen. Wanneer het helder is\, volstaat het blote oog. Op een donkere plek zijn meer meteoren te zien dan midden in een stad. \nLinks:\nMeteorenzwerm δ-Aquariden noord in augustus 2024 \n\n\nKomende nachten ideaal om vallende sterren te spotten: ‘Beter kan eigenlijk niet’
URL:https://www.a3veen.nl/event/meteorenzwerm-%ce%b4-aquariden-noord-in-augustus-2024/
CATEGORIES:Astronomie,Meteoren
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240810T080000
DTEND;TZID=Europe/Amsterdam:20240810T170000
DTSTAMP:20260601T100703
CREATED:20240810T151258Z
LAST-MODIFIED:20240811T174408Z
UID:111787-1723276800-1723309200@www.a3veen.nl
SUMMARY:Meteorenzwerm η-Eridaniden in augustus 2024
DESCRIPTION:De meteorenzwerm η-Eridaniden bereikt op zaterdag 10 augustus 2024\, rond 01:00\, zijn maximum. \nWanneer de radiant in het zenit zou staan\, zouden er van deze zwerm naar verwachting gemiddeld zo’n 5 meteoren per uur vallen. Rond 07:30 staat de radiant van de zwerm in het hoogste punt (op 25°) aan de hemel. Het beste moment om η-Eridaniden waar te nemen is op 10 augustus rond 04:00. De radiant van de zwerm staat dan ongeveer 12° boven de zuidoostelijke horizon; niet erg gunstig. Er is dan ieder uur niet meer dan één meteoor zichtbaar van deze zwerm. In totaal zijn er\, door meteoren van andere zwermen en sporadische meteoren\, bij donkere en heldere hemel circa 18–27 meteoren per uur zichtbaar. Op een goed donkere locatie zijn ongeveer 10% meer meteoren te zien dan in een grote stad. De Maan stoort niet. Rond 05:30 gaat het schemeren en om 06:16 komt de Zon op. De meteoren van de meeste zwermen verschijnen niet allemaal op de dag van het maximum. Zo is gedurende circa 4 dagen rondom het maximum ruim 50% van het maximale aantal meteoren van de η-Eridaniden te zien. Tot 3 dagen voor en na het maximum zijn nog meteoren van deze zwerm te herkennen. De zwerm heeft daarmee een relatief korte piek. Er zijn dus nog meer kansen\, voor het geval het in de nacht van het maximum niet helder is. Wel is iedere dag die je eerder voor het maximum\, of later na het maximum waarneemt het aantal meteoren dat zichtbaar is circa 30% kleiner. De typische snelheden van de meteoren in deze zwerm zijn met circa 64 km/s (ongeveer 230.400 km/uur) relatief hoog. Meteoren waarnemen kan zonder speciale instrumenten. Wanneer het helder is\, volstaat het blote oog. Op een donkere plek zijn meer meteoren te zien dan midden in een stad. \nLinks:\nMeteorenzwerm η-Eridaniden in augustus 2024 \nKomende nachten ideaal om vallende sterren te spotten: ‘Beter kan eigenlijk niet’
URL:https://www.a3veen.nl/event/meteorenzwerm-%ce%b7-eridaniden-in-augustus-2024/
CATEGORIES:Astronomie,Meteoren
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240812T210000
DTEND;TZID=Europe/Amsterdam:20240812T220000
DTSTAMP:20260601T100703
CREATED:20240717T081223Z
LAST-MODIFIED:20240723T195849Z
UID:110848-1723496400-1723500000@www.a3veen.nl
SUMMARY:Meteorenzwerm Perseïden in augustus 2024
DESCRIPTION:De meteorenzwerm Perseïden bereikt op maandag 12 augustus 2024\, rond 21:00\, zijn maximum\, de meteoren van de Perseïden zijn helder en snel en hebben nalichtende sporen. \nWanneer de radiant in het zenit zou staan\, zouden er van deze zwerm naar verwachting gemiddeld zo’n 85 meteoren per uur vallen. De radiant van de zwerm staat rond 07:30 in het hoogste punt aan de hemel\, op 84° boven de horizon. Het beste moment om Perseïden waar te nemen is op 13 augustus rond 03:45. De radiant staat op dat moment zo’n 60° boven de horizon\, in het oostnoordoosten. Er zijn dan bij ons ieder uur naar schatting ongeveer 40–55 meteoren van deze zwerm zichtbaar. In totaal zijn er\, door meteoren van andere zwermen en sporadische meteoren\, bij donkere en heldere hemel circa 50–65 meteoren per uur zichtbaar. Op een donkere locatie zijn ongeveer drie keer zoveel meteoren te zien als in dichtbevolkt gebied. De Maan stoort niet. Rond 5:45 uur gaat het schemeren en om 06:21 komt de Zon op. Over het algemeen zijn de de meteoren van een zwerm niet alleen op de dag van het maximum zichtbaar. Zo is gedurende circa 3\,1 dagen rondom het maximum ruim 50% van het maximum aantal meteoren per uur (23) van de Perseïden te zien. Tot 12 dagen voor en na het maximum zijn nog meteoren van deze zwerm te herkennen. De zwerm heeft daarmee een relatief korte piek. Iedere dag verder weg van het maximum zijn er ongeveer 40% minder meteoren per uur te zien. De typische snelheden van de meteoren in deze zwerm zijn met circa 59 km/s (ongeveer 213.840 km/uur) relatief hoog. \nLinks:\nMeteorenzwerm Perseïden in augustus 2024
URL:https://www.a3veen.nl/event/meteorenzwerm-perseiden-in-augustus-2024/
CATEGORIES:Astronomie,Meteoren
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240812T225500
DTEND;TZID=Europe/Amsterdam:20240812T232500
DTSTAMP:20260601T100703
CREATED:20240812T131352Z
LAST-MODIFIED:20240812T192240Z
UID:111859-1723503300-1723505100@www.a3veen.nl
SUMMARY:The Sky at Night - Nicky\, NASA and the Next Frontier (TV BBC Four)
DESCRIPTION:The Sky at Night is a monthly documentary television programme on astronomy produced by the BBC. \nThe show had the same permanent presenter\, Patrick Moore\, from its first broadcast on 24 April 1957 until 7 January 2013. The latter date was a posthumous broadcast\, which followed Moore’s death on 9 December 2012. This made it the longest-running programme with the same presenter in television history. Many early episodes are missing\, either because the tapes were wiped\, thrown out\, or because the episode was broadcast live and never recorded in the first place. \nBeginning with the 3 February 2013 edition\, the show was co-presented by Lucie Green and Chris Lintott. Since December 2013 Maggie Aderin-Pocock has been a presenter. The programme’s opening and closing theme music is “At the Castle Gate”\, from the incidental music to Pelléas et Mélisande\, written in 1905 by Jean Sibelius\, performed by the Royal Philharmonic Orchestra and conducted by Sir Thomas Beecham. \nThis episode:\nIn this Sky at Night special\, the team talk to Dr Nicola Fox\, NASA’s head of science\, whose life began in the UK. Presenter Chris Lintott chats to Nicky about her early years growing up in Hitchin in Hertfordshire and discovers how she fell in love with the stars. Maggie Aderin-Pocock takes Nicky on a trip down memory lane. Both women studied physics at Imperial College London from the late 80s to early 90s. As they revisit familiar haunts\, they discuss their experiences\, and Maggie finds out about Nicky’s love of astrophysics\, the challenges she overcame and how she landed a dream job at NASA. Along the way\, Maggie and Nicky chat about how the university and science have changed and how new technology and deeper understanding are fuelling the missions for which Nicky is now responsible. As they come across familiar places\, nostalgia hits and the two women unleash their inner child. Finally\, Chris and Nicky discuss her role as the associate administrator for the science mission directorate at NASA\, and Nicky reveals what the exciting plans for future missions may reveal. \nLinks:\nThe Sky at Night
URL:https://www.a3veen.nl/event/the-sky-at-night-nicky-nasa-and-the-next-frontier-tv-bbc-four/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240816
DTEND;VALUE=DATE:20240817
DTSTAMP:20260601T100703
CREATED:20240816T194456Z
LAST-MODIFIED:20250828T205306Z
UID:113817-1723766400-1723852799@www.a3veen.nl
SUMMARY:Arecibo Wow! I: An Astrophysical Explanation for the Wow! Signal - publication
DESCRIPTION:The Ohio State University Big Ear radio telescope detected in 1977 the Wow! Signal\, one of the most famous and intriguing signals of extraterrestrial origin. \nArecibo Wow! is a project that aims to find similar signals in archived data from the Arecibo Observatory. From 2017 to 2020\, they observed many targets of interest at 1 to 10 GHz with the 305-meter telescope. Here are the first results of drift scans made between February and May 2020 at 1420 MHz presented. The methods\, frequency\, and bandwidth of these observations are similar to those used to detect the Wow! Signal. However\, the observations are more sensitive\, have better temporal resolution\, and include polarization measurements. They report the detection of narrowband signals (10 kHz) near the hydrogen line similar to the Wow! Signal\, although two-orders of magnitude less intense and in multiple locations. Despite the similarities\, these signals are easily identifiable as due to interstellar clouds of cold hydrogen (HI) in the galaxy. They hypothesize that the Wow! Signal was caused by sudden brightening from stimulated emission of the hydrogen line due to a strong transient radiation source\, such as a magnetar flare or a soft gamma repeater (SGR). These are very rare events that depend on special conditions and alignments\, where these clouds might become much brighter for seconds to minutes. The original source or the cloud might not be detectable\, depending on the sensitivity of the telescope. The precise location of the Wow! Signal might be determined by searching for transient radio sources behind the cold hydrogen clouds in the corresponding region. The hypothesis explains all observed properties of the Wow! Signal\, proposes a new source of false positives in technosignature searches\, and suggests that the Wow! Signal could be the first recorded event of an astronomical maser flare in the hydrogen line. \nLinks:\nArecibo Wow! I: An Astrophysical Explanation for the Wow! Signal \nAn approximation to determine the source of the WOW! Signal – publication \nTurns Out Wow Signal Calculation Were Wrong and It Was Even More Bizarre
URL:https://www.a3veen.nl/event/arecibo-wow-i-an-astrophysical-explanation-for-the-wow-signal-publication/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240819T202600
DTEND;TZID=Europe/Amsterdam:20240819T203000
DTSTAMP:20260601T100703
CREATED:20240819T172803Z
LAST-MODIFIED:20240819T173045Z
UID:112046-1724099160-1724099400@www.a3veen.nl
SUMMARY:Blauwe Supermaan : Volle Maan augustus 2024
DESCRIPTION:Het is Volle Maan\, de Maan staat tegenover de Zon aan de hemel\, hierdoor is de Maan vrijwel de hele nacht zichtbaar. \nDe verlichte kant van de Maan is naar de Aarde gekeerd. Hoewel de Maan als geheel op dit moment erg goed te zien is\, zijn er weinig details op de Maan zichtbaar. Doordat het zonlicht op de Maan ongeveer uit de richting van de Aarde komt zijn er vanaf de Aarde geen schaduwen van kraters en bergen op de Maan te zien\, wat ervoor zorgt dat er nauwelijks contrast is op het maanoppervlak. Daarnaast is de Volle Maan een stoorzender bij het waarnemen van zwakkere objecten aan de sterrenhemel. De Maan staat op een afstand van slechts 361.969 km van de Aarde\, waardoor deze ongeveer 6% groter en circa 11% helderder lijkt dan de gemiddelde Volle Maan\, dat wordt Supermaan genoemd. Gemiddeld is het drie keer per seizoen Volle Maan. In een seizoen met vier Volle Manen wordt de derde de ‘Blauwe Maan’ genoemd. Dit komt elke 2\,7 jaar voor\, daar komt ook de Engelse uitdrukking ‘once in a Blue Moon‘ vandaan. Die wordt gebruikt om te zeggen dat iets niet heel vaak gebeurt. \nLinks:\nVolle maan is blauwe supermaan\, maar blauw (en veel groter) is hij niet
URL:https://www.a3veen.nl/event/blauwe-supermaan-volle-maan-augustus-2024/
CATEGORIES:Astronomie,Maan
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240901
DTEND;VALUE=DATE:20290902
DTSTAMP:20260601T100703
CREATED:20240403T074223Z
LAST-MODIFIED:20240403T174651Z
UID:105492-1725148800-1883001599@www.a3veen.nl
SUMMARY:Proba-3 Missie / Proba-3 Mission
DESCRIPTION:By ESA\, CC BY-SA 3.0 igo\nProba-3 zijn twee minisatellieten van de Europese Ruimtevaartorganisatie (ESA)\, ze zullen samen gelanceerd worden in een langgerekte ellipsvormige baan met een perigeum van 600 km en apogeum van 60.000 km. \nProba-3 wordt gerealiseerd door een consortium van vijftien ESA-lidstaten met als hoofdaannemer het Spaanse SENER\, het Belgische Centre Spatial uit Luik als hoofdaannemer voor de coronagraaf en het Belgische Redwire Space voor assemblage en testen. Tijdens de missie zullen twee satellieten in formatie vliegen en samen een 144 meter lange zonnecoronagraaf vormen om de corona van de zon bij de zonnerand te bestuderen. Eén ruimtevaartuig zal de optische telescoop dragen en het tweede ruimtevaartuig zal een deel van de coronagraaf dragen. Tevens worden tijdens deze missie metingen uitgevoerd voor de positionering van twee ruimtevaartuigen. \nLinks:\nProba-3 Mission
URL:https://www.a3veen.nl/event/proba-3-missie-proba-3-mission/
CATEGORIES:Astronomie,Zon
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240909T230000
DTEND;TZID=Europe/Amsterdam:20240909T233000
DTSTAMP:20260601T100703
CREATED:20240909T092129Z
LAST-MODIFIED:20240910T114057Z
UID:112848-1725922800-1725924600@www.a3veen.nl
SUMMARY:The Sky at Night - 2075: Our Place in Space (TV BBC Four)
DESCRIPTION:The Sky at Night is a monthly documentary television programme on astronomy produced by the BBC. \nThe show had the same permanent presenter\, Patrick Moore\, from its first broadcast on 24 April 1957 until 7 January 2013. The latter date was a posthumous broadcast\, which followed Moore’s death on 9 December 2012. This made it the longest-running programme with the same presenter in television history. Many early episodes are missing\, either because the tapes were wiped\, thrown out\, or because the episode was broadcast live and never recorded in the first place. \nBeginning with the 3 February 2013 edition\, the show was co-presented by Lucie Green and Chris Lintott. Since December 2013 Maggie Aderin-Pocock has been a presenter. The programme’s opening and closing theme music is “At the Castle Gate”\, from the incidental music to Pelléas et Mélisande\, written in 1905 by Jean Sibelius\, performed by the Royal Philharmonic Orchestra and conducted by Sir Thomas Beecham. \nThis episode:\nThe Sky at Night is embarking on a journey into the future\, as we explore how space will revolutionise life on Earth over the next 50 years. As humanity’s reach extends into the cosmos\, we face unprecedented challenges\, from redefining what it means to be an astronaut\, to confronting our own space junk\, to dealing with the impact of life in space on our earth-adapted bodies. With privileged early access to a groundbreaking new report from the Royal Society on humanity’s future in space\, the Sky at Night team are on a mission to find our destiny among the stars – our place in space. \nThe criteria for becoming an astronaut are famously tough. But if we want more people to go to space\, maybe it’s time to start challenging that. That’s what the European Space Agency are doing with their pioneering study Fly!\, which aims to figure out if someone with a physical disability can live and work in space. At the European Astronaut Centre in Cologne\, presenter Chris Lintott meets one of the newest members of ESA’s astronaut reserve: John McFall. John is already a medal-winning Paralympian and orthopaedic surgeon and – as if that wasn’t enough – he is now the first recruit to the Fly! study. Chris discovers what’s involved in John’s extensive and gruelling training\, and finds out what his hopes are for improving access to space. \nTraining for space travel is one thing\, but living on the moon or Mars is a whole new level for humanity. Our bodies are used to gravity\, and being in environments with less gravity than Earth can make them go a bit haywire. At the Royal Society in London\, Maggie Aderin-Pocock meets up with space medicine expert Professor Kevin Fong to find out all about the challenges of keeping humans healthy in space. What would an astronaut on Mars do in a medical emergency? What happens to our bones\, muscles and organs if we are without Earth’s gravity for a long time? And could a baby be born in space? \nWhile Maggie and Kevin unpack those mind-bending questions\, George Dransfield heads to Astroscale in Oxfordshire\, a company who are coming up with clever ways to take out space trash. There are already 130 million pieces of space debris in orbit around our planet\, and that number is ticking up. George meets up with Dr Mekhi Dhesi to learn about Astroscale’s clever missions to clean up space junk – including ELSA-M\, a spacecraft which uses magnets to tow defunct satellites out of orbit\, and Cosmic\, a spacecraft with a robot arm to grab onto debris. \nOur increasing dependence on satellites isn’t just producing a lot of space junk though\, it’s also becoming a nuisance for amateur astronomers around the world. Thankfully\, our resident astronomer Pete Lawrence has some clever tips and tricks for telling satellites and meteors apart\, and using smart telescopes to remove satellite trails from deep sky images. \nFinally\, back at the Royal Society\, Maggie sits down with Professor Suzie Imber\, planetary scientist and co-chair of the groundbreaking Space: 2075 report. Together\, they unpack some of the biggest questions about our journey into the cosmos over the next 50 years. How do we make sure space benefits us all\, including those of us still down here on Earth? Should we be concerned about the commercialisation of space travel? And will there really be people on Mars by 2075? \nLinks:\nThe Sky at Night
URL:https://www.a3veen.nl/event/the-sky-at-night-2075-our-place-in-space-tv-bbc-four/
CATEGORIES:Astronomie
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240914T010000
DTEND;TZID=Europe/Amsterdam:20240914T090000
DTSTAMP:20260601T100703
CREATED:20240913T085425Z
LAST-MODIFIED:20241023T085534Z
UID:115261-1726275600-1726304400@www.a3veen.nl
SUMMARY:#ObserveTheMoon Night 2024
DESCRIPTION:International Observe the Moon Night is an annual public outreach event sponsored by the Lunar Reconnaissance Orbiter mission\, the Solar System Exploration Division at NASA’s Goddard Space Flight Center\, and other NASA and astronomical organizations that encourages observation\, appreciation\, and understanding of the Moon and its connection to planetary science and exploration. \nEveryone on Earth is invited to join the celebration by hosting or attending an event or participating as a lunar observer — and uniting on one day each year to look at and learn about the Moon together. First organized in 2010\, there are usually over 500 events annually in over 40 countries\, hosted by universities\, observatories\, NASA Centers\, schools\, museums\, parks\, libraries\, and amateur astronomers. Some events are offered both in person and via internet streaming video. The date is selected to enhance visibility of lunar topography. \nLinks:\nObserve the Moon Night
URL:https://www.a3veen.nl/event/observethemoon-night-2024/
CATEGORIES:Astronomie,Maan
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240915T020000
DTEND;TZID=Europe/Amsterdam:20240915T070000
DTSTAMP:20260601T100703
CREATED:20240911T230257Z
LAST-MODIFIED:20240915T002620Z
UID:113027-1726365600-1726383600@www.a3veen.nl
SUMMARY:Observe the Moon Night 2024
DESCRIPTION:International Observe the Moon Night is an annual public outreach event sponsored by the Lunar Reconnaissance Orbiter mission\, the Solar System Exploration Division at NASA’s Goddard Space Flight Center\, and other NASA and astronomical organizations that encourages observation\, appreciation\, and understanding of the Moon and its connection to planetary science and exploration. \nEveryone on Earth is invited to join the celebration by hosting or attending an event or participating as a lunar observer — and uniting on one day each year to look at and learn about the Moon together. First organized in 2010\, there are usually over 500 events annually in over 40 countries\, hosted by universities\, observatories\, NASA Centers\, schools\, museums\, parks\, libraries\, and amateur astronomers. Some events are offered both in person and via internet streaming video. The date is selected to enhance visibility of lunar topography. \nLinks:\nObserve the Moon Night
URL:https://www.a3veen.nl/event/observe-the-moon-night-2024/
CATEGORIES:Astronomie,Maan
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20240918T024100
DTEND;TZID=Europe/Amsterdam:20240918T064700
DTSTAMP:20260601T100703
CREATED:20240917T075044Z
LAST-MODIFIED:20240919T084136Z
UID:113440-1726627260-1726642020@www.a3veen.nl
SUMMARY:September 2024 lunar eclipse / gedeeltelijke Maansverduistering
DESCRIPTION:The September 2024 partial lunar eclipse occured on Wednesday\, 17–18 September 2024\, the second of two lunar eclipses in 2024 and the final partial lunar eclipse of Lunar Saros 118. \nThis eclipse took place 9 hours before perigee meaning the moon was a supermoon with a distance of 357486 km and diameter of 33.4′. The eclipse was visible over western parts of Africa and Europe\, South and eastern North America\, all of South America\, and parts of Antarctica\, and was seen rising over the rest of North America and setting over the rest of Africa\, parts of Asia\, Europe and the Middle East. \nKlik op afbeelding om te lezen\nLinks:\nHarvest Moon Supermoon lunar eclipse delights skywatchers worldwide (photos)
URL:https://www.a3veen.nl/event/september-2024-lunar-eclipse/
CATEGORIES:Astronomie,Maan
END:VEVENT
END:VCALENDAR