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Mars didn’t always look like this. It may have once been covered in oceans. But what if we brought all the Martian water back and transformed the red planet into one that’s half blue? What would Mars look like if it was 50% land and 50% water? Where would we even find enough water to fill Martian oceans? And why might we have no choice but to nuke the red planet?

Transcript and sources:

00:00 What If Mars Was Half Land and Half Water?
02:07 Thanks Better Internet!
03:09 Transferring water to Mars
04:31 Nuking Mars
06:13 Redirecting comets and meteors
07:13 Water boiling away

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