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  • 248th AAS meeting

    The American Astronomical Society (AAS) is an American society of professional astronomers and other interested individuals, headquartered in Washington, DC.

  • Asteroid Day Festival 2026 (TV webcast)

    Celebrate the International Asteroid Day with astronauts and leading experts in the space industry as they discuss key topics in space science — from space for Earth, asteroids, comets and planetary defence to unconventional careers in the space sector and beyond.

  • European Astronomical Society Annual Meeting 2026

    The European Astronomical Society (EAS) is a learned society, founded under the Swiss Civil Code in 1990, as an association to contribute and promote the advancement of astronomy in Europe, and to deal with astronomical matters at a European level.

  • #AsteroidDay Dag van de Planetoïde 2026

    Asteroid Day (also known as International Asteroid Day) is an annual global event which is held on June 30, the anniversary of the Tunguska event in 1908 when a meteor air burst levelled about 2,150 km2 of forest in Siberia, Russia.

  • Zonnekijkdag 2026

    Tijdens de jaarlijkse Zonnekijkdag op de eerste zondag van juli kun je veilig door een telescoop de zon bewonderen.

  • Moon Day 2026

    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.

  • Viking@50: 50 Years on Mars

    The Viking program consisted of a pair of identical American space probes, Viking 1 and Viking 2 both launched in 1975, and landed on Mars in 1976.