“Signals from Intelligence Beyond the Milky Way” –Alien Civilizations May Use Neutron Star Mergers as a Communication Event

The first-ever observations of merging binary stars stunned the world’s astronomy community, but not quite as stunning as the first-ever signal from extraterrestrial life will be.  GW170817 is the name given to the gravitational wave signal seen by the LIGO and Virgo detectors on 17 August 2017. Lasting for about 100 seconds, the signal was produced by the merger of the two neutron stars. The observation was then confirmed – the first time this has happened for gravitational waves – by observations with light waves.

(more…)

"The Galaxy" in Your Inbox, Free, Daily