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Comets bring life on Earth

auteur: Illustration Grégoire Cirade/Novapix

référence: t-glb91-00008

Image Size 300 DPI: 33 * 18 cm

Impacting comets may have brought life to the early Earth. 4 billion years ago, Moon was closer than today.

Keywords for this photo:

COLLISION - COMET - EARTH - HISTORY OF EARTH - ILLUSTRATION - IMPACT - MOON - PANSPERMIA - PLANET - PRECAMBRIAN - PRIMITIVE EARTH - SATELLITE - WATER -