What If Earth Was Shaped Like a Donut?

More Earths, including Cubic, Flat and Hollow Earth:
On our hypothetical journey, we've already tested out living on a flat Earth, a cubical Earth, even a hollow Earth. What do you say we try to survive on an Earth with a giant hole in the middle? Would a planet like this even have a chance of being habitable?

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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 — grounded in scientific theory — through time, space and chance, as we ask what if some of the most fundamental aspects of our existence were different.

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