An artist’s illustration of a supermassive black hole, actively feasting on its surroundings. The central black hole is hidden from direct view by a thick layer of encircling gas and dust. Credit: NASA/ESA.
Using NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) satellite observatory, a Durnham University team detected high-energy xrays from 5 supermassive black holes previously clouded from direct view by dust and gas. It supports the theory that potentially millions more supermassive black holes exist in the Universe, but are hidden from view.
The scientists pointed NuSTAR at 9 candidate hidden supermassive black holes that were thought to be extremely active at the centre of galaxies, but where the full extent of this activity was potentially obscured from view.
High-energy x-r...
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