Third black hole crash expands LIGO frontier

An artist’s conception shows two merging black holes similar to those detected by LIGO. (LIGO / Caltech / MIT / Sonoma State Illustration / Aurore Simonnet)

The Laser Interferometer Gravitational-wave Observatory has detected its third confirmed black hole merger, and this one’s a doozy: LIGO’s latest discovery is about 3 billion light-years away, which is more than twice as far away as the first two finds.

The gravitational wave signature of the newly reported smash-up, known as GW170104, also confirms that there’s a heavyweight class for stellar-mass black holes.

“It clearly establishes a new population of black holes that were not known before LIGO,” said Bangalore Sathyaprakash, a physicist at Penn State and Cardiff University.

Get the full story on GeekWire.

About Alan Boyle

Award-winning science writer, creator of Cosmic Log, author of "The Case for Pluto: How a Little Planet Made a Big Difference," president of the Council for the Advancement of Science Writing. Check out "About Alan Boyle" for more fun facts.
This entry was posted in GeekWire and tagged , , , . Bookmark the permalink.

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.