News tagged with supermassive black holes

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Dormant black hole eats star, becomes X-ray flashlight

Roughly 90 percent of the biggest black holes in the known universe are dormant, meaning that they are not actively devouring matter and, consequently, not giving off any light or other radiation. But sometimes a star wanders ...

dateJun 22, 2016 in Astronomy
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Astrophysicists probe theory of black-hole accretion

Utilizing the Atacama Large Millimeter/submillimeter Array (ALMA), one of the most powerful telescopes in the world, U.S. Naval Research Laboratory (NRL) astrophysicist Dr. Tracy Clarke and an international team of researchers ...

dateJun 22, 2016 in Astronomy
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How black hole jets punch out of their galaxies

A simulation of the powerful jets generated by supermassive black holes at the centers of the largest galaxies explains why some burst forth as bright beacons visible across the universe, while others fall apart and never ...

dateJun 17, 2016 in Astronomy
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Black holes and measuring gravitational waves

The supermassive black holes found at the centre of every galaxy, including our own Milky Way, may, on average, be smaller than we thought, according to work led by University of Southampton astronomer Dr Francesco Shankar.

dateJun 16, 2016 in Astronomy
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Scientists find a new way to see inside black holes

Scientists at Towson University and the Johns Hopkins University are reporting a new way to peer through the event horizons around black holes and visualize what lies beneath. Their results could rewrite conventional ideas ...

dateJun 15, 2016 in Astronomy
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