Gravitational Waves Felt From Black-Hole Merger 3 Billion Light-Years Away by DENNIS OVERBYE

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This is the third black-hole smashup that astronomers have detected since they started keeping watch on the cosmos back in September 2015.

Published: June 1, 2017 at 02:00AM

from #NYT Science Read the full article here: https://ift.tt/2ss7OwX