NASA's black-hole-hunting spacecraft NuSTAR hit its first major milestone, detecting 10 "supermassive" black holes.
NASA reported on Thursday that those 10 finds are the first of what scientists hope will be hundreds of black hole discoveries.
The 10 black holes detected are what NASA calls "gargantuan structures." The black holes are surrounded by thick disks of gas and lie at the hearts of distant galaxies between 0.3 billion and 11.4 billion light-years from Earth.
A black hole is an area in space with such intense gravitational pull that matter, and even light, cannot escape it.
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