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because they use red shift in part of many other formulas. Most of those formulas are derived from what we know about our own solar system and how it may change. But of course everything that our scientists do are really just educated guesses, there's no way for us to really know if the universe is going to continue expanding at an increasing rate. One thing that we do know though is that nature is unpredictable. And we may have these nice theories and formulas to try and predict the course nature will take, but they're just theories.
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one pill makes you larger, one pill makes you small, and the one that mother gives you, doesnt do anything at all  Feed Your Head |