Alexander Gerst is a European Space Agency (ESA) astronaut. Between May and November 2014, Alexander spent six months on the International Space Station for ESA’s Blue Dot mission. He became the third German to visit the ISS. Alexander is a geophysicist and a volcanologist.
Asteroid Day is a global awareness campaign where people from around the world come together to learn about asteroids, the impact hazard they may pose, and what we can do to protect our planet, families, communities, and future generations from future asteroid impacts. Asteroid Day is held each year on the anniversary of the largest impact in recent history, the 1908 Tunguska event in Siberia. Subscribe to our Mailing list
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