Colliding Neutron Stars Could Settle Cosmology’s Biggest Controversy

Colliding Neutron Stars Could Settle Cosmology’s Biggest Controversy
Scientists combined the gravitational and electromagnetic signals from the recently detected collision of two of these stars to determine, in a cleaner way than with other approaches, how fast the fabric of the universe is expanding — a much-contested number called the Hubble constant.

http://ift.tt/2zjJxAQ October 30, 2017 at 10:00PM
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