News tagged with supermassive black holes

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Obscured supermassive black holes in galaxies

Most if not all galaxies are thought to host a supermassive black hole in their nuclei. It grows by accreting mass, and while feeding it is not hidden from our view: it generates X-ray emission and ultraviolet that heats ...

dateMay 16, 2017 in Astronomy
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Astronomers pursue renegade supermassive black hole

Supermassive holes are generally stationary objects, sitting at the centers of most galaxies. However, using data from NASA's Chandra X-ray Observatory and other telescopes, astronomers recently hunted down what could be ...

dateMay 11, 2017 in Astronomy
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Merging galaxies have enshrouded black holes

Black holes get a bad rap in popular culture for swallowing everything in their environments. In reality, stars, gas and dust can orbit black holes for long periods of time, until a major disruption pushes the material in.

dateMay 10, 2017 in Astronomy
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Supermassive black holes found in two tiny galaxies

Three years ago, a University of Utah-led team discovered that an ultra-compact dwarf galaxy contained a supermassive black hole, then the smallest known galaxy to harbor such a giant black hole. The findings suggested that ...

dateApr 17, 2017 in Astronomy
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Astronomers piece together first image of black hole

After training a network of telescopes stretching from Hawaii to Antarctica to Spain at the heart of our galaxy for five nights running, astronomers said Wednesday they may have snapped the first-ever picture of a black hole.

dateApr 12, 2017 in Astronomy
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