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The Universe Has Been Expanding Since the Big Bang. Just Not How We Thought.
Check out the Space Time Merch Store https://www.pbsspacetime.com/shop Last year, the Dark Energy Spectroscopic Instrument鈥擠ESI鈥攎ade headlines around the world. Its enormous map of the Universe hinted that dark energy鈥攖he mysterious something causing the expansion of the Universe to accelerate鈥攎ight not actually be constant. Last month ...
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