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This week on Spacetime, we take a detour into how geometry works in spacetime.
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Southern and northern hemispheres experience opposite seasons... So could it happen?
10:17
Most of us take gravity as an assumed part of our living realities, but why?
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NASA is really good at going to space, but their mission also include lots of public good!
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Why might it may be advantageous to have our first mars mission be all women!?
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2001: A Space Odyssey introduced people to the idea of rotation based artificial gravity.
