Some black holes are anything but black – and we've found more than 75,000 of the brightest ones

  • Written by: Jessica Thorne, Astrophysics PhD Candidate, The University of Western Australia
Some black holes are anything but black – and we've found more than 75,000 of the brightest onesESO/WFI (Optical); MPIfR/ESO/APEX/A.Weiss et al. (Submillimetre); NASA/CXC/CfA/R.Kraft et al. (X-ray), CC BY-SA

When the most massive stars die, they collapse to form some of the densest objects known in the Universe: black holes. They are the “darkest” objects in the cosmos, as not even light can escape their incredibly strong gravity....

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