How did Earth get its water?

Life as we know it needs water, but scientists can’t figure out
where Earth’s water came from. Answering that question is just one
piece of an even bigger mystery: “Why are we here?” (Updated from
2023) For show transcripts, go to vox.com/unxtranscripts For more,
go to vox.com/unexplainable Vox is also currently running a series
called Home Planet, which is all about celebrating Earth in the
face of climate change: vox.com/homeplanet And please email us!
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