Daily Archives: August 2, 2016

Black holes sing, but only in X-ray

Black holes are definitely the loudest things in the universe in the language of X-rays. Now, for the first time, the “sopranos” of the X-ray choir have been found.

NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) and its new data have, for the first time, been able to pinpoint these black holes that chatter high-energy X-rays. As for astronomers, NuSTAR has made significant progress on resolving the high-energy X-ray background.