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Is the Earth unique? Investigation into life elsewhere by François Forget

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Association Française d'Astronomie (AFA)

Published on Jun 21, 2023

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It has now been shown that most of the stars in our galaxy are surrounded by rocky planets like ours. So are there many other Earths suitable for life? This is not obvious: we have discovered that our solar system seems very atypical, and that the phenomena that have allowed the Earth to maintain liquid water on its surface throughout its existence are perhaps special. It would not be a coincidence that we are on an exceptional planet because, precisely, we are its product! A conference given at the Rencontres du ciel et de l'espace, by François Forget, Academician, Director of Research at LMD, Paris Sorbonne.

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