
"X-Ray emissions from near the heart of black holes"
Of course that would be "from the accretion disks near the surface of black holes", as their heart is inaccessible.
NASA has confirmed the Nuclear Spectroscopic Telescope Array (NuSTAR) X-Ray telescope has successfully made it into orbit after an airborne launch over the Pacific Ocean. NuSTAR was launched at 9am Pacific Time in a Pegasus rocket slung under a L-1011 “Stargazer” aircraft flying at 39,000 feet above the Kwajalein Atoll in the …