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College of Arts and Sciences gravitational wave

WSU scientists help detect gravitational waves for third time

LIGO Hanford from the airThree billion years ago in a distant galaxy, two massive black holes slammed together, merged into one and sent space–time vibrations, known as gravitational waves, shooting out into the universe.

The waves passed through Earth and were detected early this year by an international team of scientists, including WSU physicists Sukanta Bose, Bernard Hall and Nairwita Mazumder.

The newfound black hole, first reported in the journal Physical Review Letters in June, has a mass about 49 times that of the sun. The collision that produced it released more power in an instant than is radiated by all the stars and galaxies in the universe at any moment.  » More …