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Asked by laurafoley99 to Arlene, Colin, David, Eugene, Paul on 14 Nov 2012.
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Paul Higgins answered on 14 Nov 2012:
Well, as far as we know, the physical laws every where on earth and in space are the same! If they aren’t, then we can’t use physics to tell us about the universe. Some people think that for a fraction of a second, the laws of physics might have been different, right after the big bang. And there is always the possibility that physical laws are different when you are looking at huge distances or tiny distances. For example, at very high speeds, Einstein’s laws of relativity become important, and Newtons laws break down. And when you look at tiny things, quantum mechanics becomes important, and newtons laws don’t make any sense. So different physics becomes important, depending on the situation.
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David McKeown answered on 14 Nov 2012:
There are also legal laws in space, like on earth. These try to figure out who can put their spacecraft where and try to ban things like nuclear weapons in space.
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