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Study Shows Fresh Water Reached Earth from Space Four Billion Years Ago
... magma that hardened on top to form that crust during the Hadean epoch (4.6 billion to four billion years ago). Fresh ...
Nathan Falde - 04/06/2024 - 22:49
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Our Cosmic Ancestry in the Stars: The Deepest Questions
... formed 4.1 to 4.2 billion years ago during the so-called Hadean epoch. At that time Earth was being relentlessly ...
ancient-origins - 12/08/2019 - 22:53
