ScienceCast 255: Hubble’s Contentious Constant

from NASA ScienceCasts · host NASA Science

There are two leading ways to measure the universe's rate of expansion, and for fifteen years, they more or less agreed with one another. Not anymore, and that’s a big deal.

Episode metadata supplied by the publisher feed · Published Sep 20, 2017

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ScienceCast 255: Hubble’s Contentious Constant

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