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Mystery of Our Cosmic Fate --"New Data on the Expansion Rate Doesn't Match Extrapolations from 13.8 Billion Years Ago"


 
Something is messing with our universe, and that something is the enduring mystery astronomers have dubbed dark energy –which comprises about two-thirds of the mass and energy in the universe.
Determining how rapidly the universe is expanding is key to understanding our cosmic fate, but with more precise data has come a conundrum, reports the University of California Berkeley: “estimates based on measurements within our local universe don’t agree with extrapolations from the era shortly after the Big Bang 13.8 billion years ago. A new estimate of the local expansion rate the Hubble constant, or H0 (H-naught) reinforces that discrepancy.” ....

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UC Berkeley: How Fast Is The Universe Expanding? Galaxies Provide One Answer.


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PHOTO: NGC 1453, a giant elliptical galaxy situated in the constellation Eridanus, was one of 63 galaxies used to calculate the expansion rate of the local universe. Last year, the MASSIVE survey team determined that the galaxy is located 166 million light years from Earth and has a black hole at its center with a mass nearly 3 billion times that of the sun. (Photo courtesy of the Carnegie-Irvine Galaxy Survey)
Determining how rapidly the universe is expanding is key to understanding our cosmic fate, but with more precise data has come a conundrum: Estimates based on measurements within our local universe don t agree with extrapolations from the era shortly after the Big Bang 13.8 billion years ago. ....

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