News tagged with black holes

Extended hard X-ray emission from a galactic nucleus

Supermassive black holes containing millions or even billions of solar masses of material are found at the nuclei of almost all galaxies. The Milky Way, for example, has a nuclear black hole with about 4 million solar masses ...

dateJun 12, 2017 in Astronomy
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LIGO detects gravitational waves for third time

The Laser Interferometer Gravitational-wave Observatory (LIGO) has made a third detection of gravitational waves, ripples in space and time, demonstrating that a new window in astronomy has been firmly opened. As was the ...

dateJun 01, 2017 in Astronomy
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Early black holes may have grown in fits and spurts

A long-standing question in astrophysics is: how and when did supermassive black holes appear and grow in the early universe? New research using NASA's Chandra X-ray Observatory and the Sloan Digital Sky Survey (SDSS) suggests ...

dateJun 01, 2017 in Astronomy
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Collapsing star gives birth to a black hole

Astronomers have watched as a massive, dying star was likely reborn as a black hole. It took the combined power of the Large Binocular Telescope (LBT), and NASA's Hubble and Spitzer space telescopes to go looking for remnants ...

dateMay 25, 2017 in Astronomy
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