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Interesting question i have about how a time machine would work....
Does the machine take you back in time but leave you in the same SPACE? Or does it compensate for movement of objects in space? Because say you travel 2 months backwards into the past....you might exit the machine in the middle of the vacuum of space, given that the Earth is not in the same location. I feel like any future time machines would need to factor in a lot of astrophysics to solve this one..