Ep. 541: Weird Issues: Expansion Rate of the Universe
365 Days of Astronomy - Weekly Edition - Een podcast door Fraser Cain & Dr. Pamela L. Gay - Maandagen

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Just when the Universe was starting to make sense, the cosmos throws a curve ball at us. Astronomers have been trying to accurately measure the expansion rate of the Universe as far back as Hubble. It's been tough to nail down, and now astronomers are starting to figure out why.