Adresse URL du lien: https://theconversation.com/why-is-there-water-on-earth-153931 Water is essential to life as we know it and it seems completely normal to have water all around us. Yet Earth is the only known planet to be covered by oceans. Do we know exactly where its water came from?TCFrecherche_ULCRPGCNRS Grand-Estterreeauplanète
