Apr 7, 2024

Universe’s expansion might be slowing, findings indicate

Posted by in categories: cosmology, evolution

The universe is still expanding at an accelerating rate, but it may have slowed down recently compared with a few billion years ago, early results from the most precise measurement of its evolution yet suggested Thursday.

The preliminary findings are far from confirmed, but if they hold up, it would further deepen the mystery of dark energy — and likely mean there is something important missing in our understanding of the cosmos.

These signals of our universe’s changing speeds were spotted by the Dark Energy Spectroscopic Instrument, or DESI, which is perched atop a telescope at the Kitt Peak National Observatory in the U.S. state of Arizona.

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