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Two X-ray space observatories, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) and the European Space Agency's XMM-Newton, have teamed up to measure definitively, for the first time, the spin rate of a black hole with a mass 2 million times that...

Supermassive black holes do not give off any of their own light, hence the word “black” in their name. However, many black holes pull in, or accrete, surrounding material, and emit powerful bursts of X-rays. Collectively, these active black holes throughout...

An optical color image of galaxies is seen here overlaid with X-ray data (magenta) from NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR). Credit: NASA/JPL-Caltech Since NuSTAR was launched on June 13, 2012 it has moved into its parking spot...

SpaceTime with Stuart Gary: Stream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *Monstrous black holes discovered hiding in our cosmic backyard Like monsters hiding under the bed -- two enormous black...

A group of authors from the California Institute of Technology has lately reported that its initial 10 supermassive black holes have successfully been grabbed by NuSTAR of NASA. With the achievement, said the report, the Nuclear Spectroscopic Telescope...