New study says universe expanding faster and is younger
April 26, 2019
WASHINGTON (AP) — The universe is expanding faster than it used to, meaning it's about a billion years younger than we thought, a new study by a Nobel Prize winner says. And that's sending a shudder through the world of physics, making astronomers re-think some of its most basic concepts.
At issue is a number called the Hubble constant, a calculation for how fast the universe is expanding. Some scientists call it the most important number in cosmology, the study of the origin and development of the universe.
Using NASA's Hubble Space Telescope, Johns Hopkins University astronomer Adam Rie...
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