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Terre jumelleCette longue quête des astronomes pour trouver une planète similaire à la Terre dans l’espace profond
Trente ans après la découverte de la première exoplanète, les astronomes poursuivent leur quête d’un monde semblable à la Terre. Des milliers de planètes ont été repérées, mais aucune ne ressemble vraiment à la nôtre. Une nouvelle génération d’instruments pourrait enfin changer la donne.
il y a 7 heures