Why look for impact craters? (Replay)

The Monturaqui crater (450 m in diameter) in Chile. © Sylvain Bouley

By: Caroline Lachowsky

Why search for impact craters? What do the traces left by these meteors that bombarded the Earth tell us about the past and the future of it? How to participate, on all continents, in Vigie -Crater?

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Let's go to the discovery of the impact craters, due to the brutal (even cataclysmic) falls of asteroids which have struck the Earth since its formation for 4.5 billion years. So many scars that tell us about the geological history of our planet, but also about the history of life in general ...

How to identify and study these impact craters, seen from space thanks to new technologies, but also seen from Earth, by appealing to all the good wills of amateur researchers gathered around the Vigie-Crater project : an international platform of participatory science ...

With Sylvain Bouley (planetologist) and Cheikh Ahmadou Bamba Niang (Senegalese geologist).

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