Earth Swallowed Another Planet and (Maybe) That’s Why Life Exists by Space.com | Jan 24, 2019 | Uncategorized A collision with a Mars-like planet could have given Earth the ingredients it needed for life to form. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading... Related ca-pub-8376419508952050
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