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BEGIN:VEVENT
DTSTART;VALUE=DATE:20251128
DTEND;VALUE=DATE:20251129
DTSTAMP:20260418T184749
CREATED:20251127T235052Z
LAST-MODIFIED:20251128T095324Z
UID:133985-1764288000-1764374399@www.a3veen.nl
SUMMARY:#RedPlanetDay 2025
DESCRIPTION:Red Planet Day commemorates the launch of the Mariner 4 spacecraft on November 28\, 1964 which was the first craft to ever reach Mars. \nSince the late 20th century\, Mars has been explored by uncrewed spacecraft and rovers\, with the first flyby by the Mariner 4 probe in 1965\, the first Mars orbiter by the Mars 2 probe in 1971\, and the first landing by Viking 1 in 1976. As of 2023\, there are at least 11 active probes orbiting Mars or at the Martian surface. Mars is an attractive target for human missions. Mars is the fourth planet and the furthest terrestrial planet from the Sun. The reddish color of its surface is due to finely grained iron(III) oxide dust in the soil\, giving it the nickname “the Red Planet”. Mars’s radius is second smallest among the planets in the Solar System at 3\,389.5 km (2\,106 mi). The Martian dichotomy is visible on the surface: on average\, the terrain on Mars’s northern hemisphere is flatter and lower than its southern hemisphere. Mars has a thin atmosphere made primarily of carbon dioxide\, and two irregularly shaped natural satellites\, Phobos and Deimos. Geologically\, Mars is fairly active\, with dust devils sweeping across the landscape and marsquakes (Martian analog to earthquakes) trembling underneath the ground. The surface of Mars hosts a large shield volcano (Olympus Mons) and one of the largest canyons in the Solar System (Valles Marineris). \nMars’s significant orbital eccentricity and axial tilt cause large seasonal changes to the polar ice caps‘ coverage and temperature swings between 163K / −110 °C to 308K / 35 °C on the surface. A Martian solar day (sol) is equal to 24.5 hours and a Martian solar year is equal to 1.88 Earth years. Like the other planets in the Solar System\, Mars was formed approximately 4.5 billion years ago. During the Noachian period from about 4.1 to 3.7 billion years ago\, Mars’s surface was marked by meteor impacts\, valley formation\, erosion\, and the possible presence of water oceans. The Hesperian period from 3.7 to 3.2–2 billion years ago was dominated by widespread volcanic activity and flooding that carved immense outflow channels. The Amazonian period\, which continues to the present\, was marked by the wind’s influence on geological processes. It is unknown whether life has ever existed on Mars. Mars is among the brightest objects in Earth’s sky\, and thus has been known from ancient times. Its high-contrast albedo features make it a common subject for viewing with a telescope. \nLinks:\nRed Planet Day: A Celebration of Mars and Its Mysteries \nRed Planet Day 2025: Why November 28 Marks A Landmark Moment In Mars Exploration \n(Exo)Planeet : Mars
URL:https://www.a3veen.nl/event/redplanetday-2025/
CATEGORIES:Astronomie,Mars
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250910
DTEND;VALUE=DATE:20250911
DTSTAMP:20260418T184749
CREATED:20250910T191347Z
LAST-MODIFIED:20251001T121359Z
UID:130413-1757462400-1757548799@www.a3veen.nl
SUMMARY:Redox-driven mineral and organic associations in Jezero Crater\, Mars - publication
DESCRIPTION:NASA says Mars rover discovered potential biosignature in 2024. \nA sample collected by NASA’s Perseverance Mars rover from an ancient dry riverbed in Jezero Crater could preserve evidence of ancient microbial life. Taken from a rock named “Cheyava Falls” last year\, the sample\, called “Sapphire Canyon\,” contains potential biosignatures\, according to the paper ‘Redox-driven mineral and organic associations in Jezero Crater\, Mars’ published in the journal Nature. A potential biosignature is a substance or structure that might have a biological origin but requires more data or further study before a conclusion can be reached about the absence or presence of life. \nLinks:\nNASA Says Mars Rover Discovered Potential Biosignature Last Year \nEs gab wahrscheinlich Leben auf dem Mars \nDid NASA Just Find Alien Life on Mars? \nAgenda – Redox-driven mineral and organic associations in Jezero Crater\, Mars – publication
URL:https://www.a3veen.nl/event/redox-driven-mineral-and-organic-associations-in-jezero-crater-mars-publication/
CATEGORIES:Astronomie,Biologie,kennis,Mars
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250528
DTEND;VALUE=DATE:20250530
DTSTAMP:20260418T184749
CREATED:20250508T082409Z
LAST-MODIFIED:20250528T123622Z
UID:125278-1748390400-1748563199@www.a3veen.nl
SUMMARY:2025 Humans to the Moon and Mars Summit
DESCRIPTION:Explore Mars announced the launch of the 2025 Humans to the Moon and Mars Summit (H2M2). \nAs humanity advances toward a multi-planetary future\, H2M2 2025 is where industry leaders\, astronauts\, and policymakers come together to shape the next steps in lunar and Martian exploration. Taking place May 28-29\, 2025\, in Washington\, D.C.\, this summit offers exclusive insights\, cutting-edge research\, and critical policy discussions driving space innovation. From AI-driven mission planning to sustainable space infrastructure\, H2M2 2025 delivers unmatched networking and thought leadership for those defining the future of space. \n\n \nLinks:\n2025 Humans to the Moon and Mars Summit
URL:https://www.a3veen.nl/event/2025-humans-to-the-moon-and-mars-summit/
LOCATION:Washington\, D.C.\, Washington\, D.C.\, Verenigde Staten
CATEGORIES:Astronomie,Maan,Mars
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20250225
DTEND;VALUE=DATE:20250226
DTSTAMP:20260418T184749
CREATED:20250225T084248Z
LAST-MODIFIED:20250226T085416Z
UID:120826-1740441600-1740527999@www.a3veen.nl
SUMMARY:Detection of ferrihydrite in Martian red dust records ancient cold and wet conditions on Mars - publication
DESCRIPTION:Mars is widely known for its rusty red color — many people even refer to it as just the “Red Planet” — but research suggests the chemistry behind Mars’ rosy hue may actually hold important information. \nFor decades\, spacecraft and rovers have gathered data pointing to a familiar explanation behind Mars’ redness: the rusting of iron minerals\, namely iron oxide\, in the planet’s dust. That’s the same compound that gives your standard “rust” on Earth its red color. Scientists already knew that on Mars\, over billions of years\, iron oxide has been ground into dust and carried across the planet by powerful winds\, a process still shaping the Martian landscape today. However\, not all iron oxides are the same\, so experts have long debated the precise nature of Martian rust. Understanding how this rust formed offers a crucial glimpse into the planet’s past environment — was it once warm and wet\, or always cold and dry? And\, more importantly\, did it ever support life? \nLinks:\nWhat makes Mars the ‘Red’ Planet? Scientists have some new ideas
URL:https://www.a3veen.nl/event/detection-of-ferrihydrite-in-martian-red-dust-records-ancient-cold-and-wet-conditions-on-mars-publication/
CATEGORIES:Astronomie,Mars
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20241128
DTEND;VALUE=DATE:20241129
DTSTAMP:20260418T184749
CREATED:20241128T085015Z
LAST-MODIFIED:20241128T112537Z
UID:117222-1732752000-1732838399@www.a3veen.nl
SUMMARY:#RedPlanetDay 2024
DESCRIPTION:Red Planet Day commemorates the launch of the Mariner 4 spacecraft on November 28\, 1964 which was the first craft to ever reach Mars. \nSince the late 20th century\, Mars has been explored by uncrewed spacecraft and rovers\, with the first flyby by the Mariner 4 probe in 1965\, the first Mars orbiter by the Mars 2 probe in 1971\, and the first landing by Viking 1 in 1976. As of 2023\, there are at least 11 active probes orbiting Mars or at the Martian surface. Mars is an attractive target for human missions. Mars is the fourth planet and the furthest terrestrial planet from the Sun. The reddish color of its surface is due to finely grained iron(III) oxide dust in the soil\, giving it the nickname “the Red Planet”. Mars’s radius is second smallest among the planets in the Solar System at 3\,389.5 km (2\,106 mi). The Martian dichotomy is visible on the surface: on average\, the terrain on Mars’s northern hemisphere is flatter and lower than its southern hemisphere. Mars has a thin atmosphere made primarily of carbon dioxide\, and two irregularly shaped natural satellites\, Phobos and Deimos. Geologically\, Mars is fairly active\, with dust devils sweeping across the landscape and marsquakes (Martian analog to earthquakes) trembling underneath the ground. The surface of Mars hosts a large shield volcano (Olympus Mons) and one of the largest canyons in the Solar System (Valles Marineris). \nMars’s significant orbital eccentricity and axial tilt cause large seasonal changes to the polar ice caps‘ coverage and temperature swings between 163K / −110 °C to 308K / 35 °C on the surface. A Martian solar day (sol) is equal to 24.5 hours and a Martian solar year is equal to 1.88 Earth years. Like the other planets in the Solar System\, Mars was formed approximately 4.5 billion years ago. During the Noachian period from about 4.1 to 3.7 billion years ago\, Mars’s surface was marked by meteor impacts\, valley formation\, erosion\, and the possible presence of water oceans. The Hesperian period from 3.7 to 3.2–2 billion years ago was dominated by widespread volcanic activity and flooding that carved immense outflow channels. The Amazonian period\, which continues to the present\, was marked by the wind’s influence on geological processes. It is unknown whether life has ever existed on Mars. Mars is among the brightest objects in Earth’s sky\, and thus has been known from ancient times. Its high-contrast albedo features make it a common subject for viewing with a telescope. \nLinks:\nRed Planet Day: A Celebration of Mars and Its Mysteries \n(Exo)Planeet : Mars
URL:https://www.a3veen.nl/event/redplanetday-2024/
CATEGORIES:Astronomie,Mars
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240725
DTEND;VALUE=DATE:20240726
DTSTAMP:20260418T184749
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;VALUE=DATE:20240722
DTEND;VALUE=DATE:20240726
DTSTAMP:20260418T184749
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:20240507
DTEND;VALUE=DATE:20240509
DTSTAMP:20260418T184749
CREATED:20240507T145604Z
LAST-MODIFIED:20240508T152047Z
UID:107550-1715040000-1715212799@www.a3veen.nl
SUMMARY:2024 #HumansToMars Summit
DESCRIPTION:H2M 2024 will focus on questions that include:\n\nDo we have a viable mission architecture plan for Mars?\nWhat are the most significant technological hurdles (or long poles) that need to be overcome before humanity steps on the surface of Mars?\nDo we have an adequate pipeline of skilled workers to build our future in space?\nHow can governments and commercial industry collaborate to enable a human presence on Mars?\nCan we send humans to Mars in 2033?\nHow can innovations from Mars-focused R&D drive value and improvement on Earth\, and how can stakeholders contribute?\nWhat are the major Mars science achievements over the past year – and what are our objectives before humans first step foot on the surface?\nHow can we most effectively protect the physical and mental health of astronauts voyaging to and from Mars?\n\n\nLinks:\nHumans to Mars Summit
URL:https://www.a3veen.nl/event/2024-humanstomars-summit/
LOCATION:Washington DC\, Washington DC\, Verenigde Staten
CATEGORIES:Astronomie,Mars
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20240126
DTEND;VALUE=DATE:20240127
DTSTAMP:20260418T184749
CREATED:20240127T185858Z
LAST-MODIFIED:20240127T191839Z
UID:102017-1706227200-1706313599@www.a3veen.nl
SUMMARY:Ground penetrating radar observations of the contact between the western delta and the crater floor of Jezero crater\, Mars - publication
DESCRIPTION:The delta deposits in Jezero crater contain sedimentary records of potentially habitable conditions on Mars\, NASA’s Perseverance rover is exploring the Jezero western delta with a suite of instruments that include the RIMFAX ground penetrating radar\, which provides continuous subsurface images that probe up to 20 meters below the rover. \nAs Perseverance traversed across the contact between the Jezero crater floor and the delta\, RIMFAX detected a distinct discontinuity in the subsurface layer structure. Below the contact boundary are older crater floor units exhibiting discontinuous inclined layering. Above the contact boundary are younger basal delta units exhibiting regular horizontal layering. At one location\, there is a clear unconformity between the crater floor and delta layers\, which implies that the crater floor experienced a period of erosion before the deposition of the overlying delta strata. The regularity and horizontality of the basal delta sediments observed in the radar cross sections indicate that they were deposited in a low-energy lake environment. \nLinks:\nGround penetrating radar observations of the contact between the western delta and the crater floor of Jezero crater\, Mars\n \nKrater op rode planeet was ooit een meer\, bevestigt Marsrover
URL:https://www.a3veen.nl/event/ground-penetrating-radar-observations-of-the-contact-between-the-western-delta-and-the-crater-floor-of-jezero-crater-mars-publication/
CATEGORIES:Astronomie,Mars
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20231128
DTEND;VALUE=DATE:20231129
DTSTAMP:20260418T184749
CREATED:20231128T122207Z
LAST-MODIFIED:20231128T124420Z
UID:99400-1701129600-1701215999@www.a3veen.nl
SUMMARY:#RedPlanetDay 2023
DESCRIPTION:Red Planet Day commemorates the launch of the Mariner 4 spacecraft on November 28\, 1964 which was the first craft to ever reach Mars. \nSince the late 20th century\, Mars has been explored by uncrewed spacecraft and rovers\, with the first flyby by the Mariner 4 probe in 1965\, the first Mars orbiter by the Mars 2 probe in 1971\, and the first landing by Viking 1 in 1976. As of 2023\, there are at least 11 active probes orbiting Mars or at the Martian surface. Mars is an attractive target for human missions. Mars is the fourth planet and the furthest terrestrial planet from the Sun. The reddish color of its surface is due to finely grained iron(III) oxide dust in the soil\, giving it the nickname “the Red Planet”. Mars’s radius is second smallest among the planets in the Solar System at 3\,389.5 km (2\,106 mi). The Martian dichotomy is visible on the surface: on average\, the terrain on Mars’s northern hemisphere is flatter and lower than its southern hemisphere. Mars has a thin atmosphere made primarily of carbon dioxide\, and two irregularly shaped natural satellites\, Phobos and Deimos. Geologically\, Mars is fairly active\, with dust devils sweeping across the landscape and marsquakes (Martian analog to earthquakes) trembling underneath the ground. The surface of Mars hosts a large shield volcano (Olympus Mons) and one of the largest canyons in the Solar System (Valles Marineris). \nMars’s significant orbital eccentricity and axial tilt cause large seasonal changes to the polar ice caps‘ coverage and temperature swings between 163K / −110 °C to 308K / 35 °C on the surface. A Martian solar day (sol) is equal to 24.5 hours and a Martian solar year is equal to 1.88 Earth years. Like the other planets in the Solar System\, Mars was formed approximately 4.5 billion years ago. During the Noachian period from about 4.1 to 3.7 billion years ago\, Mars’s surface was marked by meteor impacts\, valley formation\, erosion\, and the possible presence of water oceans. The Hesperian period from 3.7 to 3.2–2 billion years ago was dominated by widespread volcanic activity and flooding that carved immense outflow channels. The Amazonian period\, which continues to the present\, was marked by the wind’s influence on geological processes. It is unknown whether life has ever existed on Mars. Mars is among the brightest objects in Earth’s sky\, and thus has been known from ancient times. Its high-contrast albedo features make it a common subject for viewing with a telescope. \nLinks:\nRed Planet Day 2023: How Did Mars Get Its Name\, Ways It Is Different From Earth; Things To Know \n(Exo)Planeet : Mars
URL:https://www.a3veen.nl/event/redplanetday-2023/
CATEGORIES:Astronomie,Mars
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20230614
DTEND;VALUE=DATE:20230615
DTSTAMP:20260418T184749
CREATED:20230808T194404Z
LAST-MODIFIED:20230808T195559Z
UID:93080-1686700800-1686787199@www.a3veen.nl
SUMMARY:Spin state and deep interior structure of Mars from InSight radio tracking - publication
DESCRIPTION:Scientists have made the most precise measurements ever of Mars’ rotation\, for the first time detecting how the planet wobbles due to the “sloshing” of its molten metal core. \nThe findings\, detailed in a Nature paper\, rely on data from NASA’s InSight Mars lander\, which operated for four years before running out of power during its extended mission in December 2022. To track the planet’s spin rate\, the study’s authors relied on one of InSight’s instruments: a radio transponder and antennas collectively called the Rotation and Interior Structure Experiment\, or RISE. They found the planet’s rotation is accelerating by about 4 milliarcseconds per year – corresponding to a shortening of the length of the Martian day by a fraction of a millisecond per year. It’s a subtle acceleration\, and scientists aren’t entirely sure of the cause. But they have a few ideas\, including ice accumulating on the polar caps or post-glacial rebound\, where landmasses rise after being buried by ice. The shift in a planet’s mass can cause it to accelerate a bit like an ice skater spinning with their arms stretched out\, then pulling their arms in. \nLinks:\nNASA InSight Study Finds Mars Is Spinning Faster
URL:https://www.a3veen.nl/event/spin-state-and-deep-interior-structure-of-mars-from-insight-radio-tracking-publication/
CATEGORIES:Astronomie,Mars
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Amsterdam:20210218T213600
DTEND;TZID=Europe/Amsterdam:20210218T220000
DTSTAMP:20260418T184749
CREATED:20240127T160413Z
LAST-MODIFIED:20240422T141108Z
UID:102004-1613684160-1613685600@www.a3veen.nl
SUMMARY:Mars 2020 Perseverance Rover - landing (TV NASAtv)
DESCRIPTION:Perseverance\, nicknamed Percy\, is a car-sized Mars rover designed to explore the Jezero crater on Mars as part of NASA‘s Mars 2020 mission. \nIt was manufactured by the Jet Propulsion Laboratory and was launched on 30 July 2020 and is scheduled to land on Mars at around 21:55 on 18 February 2021. Perseverance carries seven scientific instruments to study the Martian surface at Jezero crater. It carries several cameras and two microphones. The rover is accompanied by the helicopter Ingenuity\, which will help Perseverance to scout for locations to study. \nLinks:\nMars 2020 \nMars 2020 Perseverance Rover – landing \nMars Helicopter \nMissions to #Mars in the 21st century / #Moon2Mars #JournyToMars NASA Mars Exploration Program \nPerseverance Mars Rover Pre-Landing News Conference (TV YouTube) \nMissions to #Mars in the 21st century / #Moon2Mars #JournyToMars NASA Mars Exploration Program \nMoon2Mars \nNASA’s Moon to Mars Plans – Youtube playlist \nNASA Mars Exploration Program \nList of Missions to Mars \nSummer of Mars Webinar (TV YouTube webcast) \nNASA Artemis Lunar Program \n30 days until NASA’s Perseverance Mars Rover touch down on Mars \nNASAtv live stream \nNASA’s Ingenuity Mars Helicopter Succeeds in Historic First Flight \nAgenda – Ground penetrating radar observations of the contact between the western delta and the crater floor of Jezero crater\, Mars – publication \nWhat We Learned from Flying a Helicopter on Mars
URL:https://www.a3veen.nl/event/mars-2020-perseverance-rover-landing-tv-nasatv/
CATEGORIES:Astronomie,Mars
END:VEVENT
END:VCALENDAR