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:::No, we don't need to observe a phenomenon directly to draw conclusions about it. If you come home to find your window broken, with shards of glass all over your living room carpet, and a brick sitting right in the middle of it all, you can infer what happened by observing the aftermath. [[User:Tsumetai|Tsumetai]] 13:25, 12 March 2007 (EDT)
 
:::No, we don't need to observe a phenomenon directly to draw conclusions about it. If you come home to find your window broken, with shards of glass all over your living room carpet, and a brick sitting right in the middle of it all, you can infer what happened by observing the aftermath. [[User:Tsumetai|Tsumetai]] 13:25, 12 March 2007 (EDT)
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:::Galileo did not "see" the Earth moving around the Sun; he only saw evidence that it did. Then he hypothesized that the Earth circled the Sun, and not vice versa. Does the fact that Galileo did not personally observe the rotation of the earth mean that his hypothesis is invalid? [[User:FPiaco|FPiaco]] 15:46, 12 March 2007 (EDT)
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