Hubbub hints at smash-up of neutron stars

Neutron star merger
An artist’s conception visualizes the gravitational waves given off by a neutron star collision. (LIGO / MIT / Caltech Illustration)

Another big announcement about gravitational waves is coming up, and this time the hints point to  observations in electromagnetic wavelengths as well — emissions of light that may have come from a collision of neutron stars, or a supernova.

That would be a biggie for astronomers: So far, the scientists behind the Laser Interferometer Gravitational-wave Observatory, or LIGO, have detected three confirmed collisions of black holes, but no neutron star smash-ups or stellar explosions.

All will be revealed at 7 a.m. PT on Oct. 16, when representatives from LIGO, Europe’s Virgo gravitational-wave observatory, and a sampling of researchers from 70 other observatories are to share new findings during a briefing at the National Press Club in Washington, D.C.

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By Alan Boyle

Mastermind of Cosmic Log, contributor to GeekWire and Universe Today, author of "The Case for Pluto: How a Little Planet Made a Big Difference," past president of the Council for the Advancement of Science Writing.

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