What If Venus and Mars Swapped Orbits?

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When it comes to planets in our Solar System's habitable zone, one world is too close to the Sun, another is too far and Earth is just right. But maybe things would be different if Venus and Mars simply swapped orbits. What makes these planets uninhabitable right now? What changes would they undergo when they trade places? And why would you need Jupiter to give these planets a chance at supporting life?

Transcript and sources:

00:00 What If Venus and Mars Swapped Orbits?
00:46 Goldilocks zone
02:17 Thank you Omaha Steaks!
03:20 Mars closer to the Sun
05:01 Venus albedo
06:33 Not enough CO2 on Mars

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What If is a mini-documentary web series that takes you on an epic journey through hypothetical worlds and possibilities. Join us on an imaginary adventure through time, space and chance while we (hopefully) boil down complex subjects in a fun and entertaining way.

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