Ballooning ever faster

Credit: NASA, ESA, A. Feild (STScI), and A. Riess (STScI/JHU)

Astronomers have used Hubble to measure the distances to stars in nineteen galaxies more accurately than previously possible. They found that the Universe is currently expanding faster than the rate derived from measurements of the Universe shortly after the Big Bang. If confirmed, this apparent inconsistency may be an important clue to understanding three of the Universe’s most elusive components: dark matter, dark energy and neutrinos.

A team of astronomers, led by Nobel Laureate Adam Riess and using the NASA/ESA Hubble Space Telescope, have discovered that the Universe is expanding between five and nine per cent faster than previously calculated. This is in clear discrepancy with the rate predicted from measurements of the infant Universe. … (ESA)

Credit: NASA, ESA, A. Feild (STScI), and A. Riess (STScI/JHU)

Credit: NASA, ESA, A. Feild (STScI), and A. Riess (STScI/JHU)

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