[Feature] Hubble trouble
Thursday, March 9, 2017 - 14:31
in Astronomy & Space
There is a vigorous new debate over the Hubble constant, the expansion rate of the universe. New techniques suggest that the Hubble constant is 8% lower than a leading number that astronomers had mostly settled on. For nearly a century, they have calculated it by meticulously measuring distances in the nearby universe and moving ever farther out. But lately, astrophysicists have measured ...