2017年10月16日 星期一

NASA Missions Catch First Light from a Gravitational-Wave Event

For the first time, NASA scientists have detected light tied to a gravitational-wave event, thanks to two merging neutron stars in the galaxy NGC 4993, located about 130 million light-years from Earth in the constellation Hydra.

October 16, 2017
from NASA http://ift.tt/2xJBPzA
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