Debate Persists on Cosmic Expansion by Emily Conover | Free Audiobook

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Title: Debate Persists on Cosmic Expansion
Author: Emily Conover
Narrator: John N. Gully
Format: Unabridged
Length: 9 mins
Language: English
Release date: 07-27-16
Publisher: Science News
Genres: Science & Technology, Magazine & Radio

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.

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