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How Fast Is The Universe Expanding? Incompatible Answers Point To New Physics

20 Sep 2019, 14:01 UTC
How Fast Is The Universe Expanding? Incompatible Answers Point To New Physics C. Faucher-Giguère, A. Lidz, and L. Hernquist, Science 319, 5859 (47)

Whenever you set out to solve a problem, there are a series of steps you have to take in order to arrive at the answer. Assuming your methods are sound and you don’t make any major errors, the answer you get should be correct. It might be a little higher or a little lower that the “true” value, as measurement (and other) uncertainties are real and cannot be eliminated, but the answer you obtain should be independent of the method you use.

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