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What If Earth Was No Longer Our Home?
Which worlds could humanity actually call home beyond Earth? From ancient Mars and a future Moon city to moving billions of people off our planet and reaching an Earth-like world, these scenarios explore the places humanity might one day be able to live. 00:05 What If You Lived on Mars 1 Billion Years Ago? 18:23 What If We Moved All 8 Billion ...
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