/u/nickrenfo2's posts
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If something is moving very fast towards you, will it appear to be moving faster than the speed of light?
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If I throw a baseball at 110 MPH, is my hand also moving at 110 MPH? If not, how fast does my hand need to move in order to pitch 110 MPH?
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Could light (or other information, like gravity) travel through a wormhole? How might this affect space-time on both sides?
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If there were a large mirror 1 million lightyears away, could we look into it and see what earth was like 2 million years ago?
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