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Neil deGrasse Tyson on Surviving in Space without a Spacesuit

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Could you live anywhere else in the solar system?  Which planet is most hospitable?  Which is least hospitable?  Is there anywhere else for humans to go?  Neil Degrasse Tyson answers these questions in a quick tour of our solar system.

Based on what you have learned, why is Earth sometimes referred to as the "Goldilocks' Planet?"

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