Brainy Quote of the Day

Tuesday, December 16, 2014

Dark Matter Signal...

This ellipse shows a region of sky where a galaxy made of dark matter is thought to exist.

Astronomers may finally have detected a signal of dark matter, the mysterious and elusive stuff thought to make up most of the material universe.

While poring over data collected by the European Space Agency's XMM-Newton spacecraft, a team of researchers spotted an odd spike in X-ray emissions coming from two different celestial objects — the Andromeda galaxy and the Perseus galaxy cluster.

The signal corresponds to no known particle or atom and thus may have been produced by dark matter, researchers said. Cosmic Mystery Solved? Possible Dark Matter Signal Spotted, Mike Wall
Eureka Alert: Researchers detect possible signal from dark matter

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