News tagged with black holes

NASA missions monitor a waking black hole

NASA's Swift satellite detected a rising tide of high-energy X-rays from the constellation Cygnus on June 15, just before 2:32 p.m. EDT. About 10 minutes later, the Japanese experiment on the International ...

dateJun 30, 2015 in Astronomy
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Monster black hole wakes up after 26 years

Over the past week, ESA's Integral satellite has been observing an exceptional outburst of high-energy light produced by a black hole that is devouring material from its stellar companion.

dateJun 25, 2015 in Astronomy
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Star formation near supermassive black holes

Most if not all galaxies are thought to host a supermassive black hole in their nuclei, a finding that is both one the most important and amazing in modern astronomy. A supermassive black hole grows by accreting ...

dateJun 22, 2015 in Astronomy
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Hubble views a bizarre cosmic quartet

This new NASA/ESA Hubble Space Telescope image shows a gathering of four cosmic companions. This quartet forms part of a group of galaxies known as the Hickson Compact Group 16, or HCG 16—a galaxy group ...

dateJun 18, 2015 in Astronomy
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