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Debate Persists on Cosmic Expansion

Written by: Emily Conover
Narrated by: John N. Gully
Length: 9 mins
Categories: Science & Math

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Publisher's Summary

A puzzling mismatch is plaguing two methods for measuring how fast the universe is expanding. When the discrepancy arose a few years ago, scientists suspected it would fade away, a symptom of measurement errors. But the latest, more precise measurements of the expansion rate - a number known as the Hubble constant - have only deepened the mystery.

"Debate Persists on Cosmic Expansion" is from the August 6, 2016 issue of Science News.

©2016 Science Service (P)2016 Audible, Inc.

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