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Earth Early Earth’s belly held onto its water When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, scientists say.

5 days ago · News Earth Early Earth’s belly held onto its water When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, …

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More Stories from the January 1, 2025 issue Twisting Words Crossword Solve our latest interactive crossword. We'll publish science-themed crosswords and math puzzles on …