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Tag: X-ray wavelengths

Artist’s impression of a black hole feasting on matter from its companion star in a binary system. Material flows from the star towards the black hole and gathers in a disc, where it is heated up, shining brightly at optical, ultraviolet and X-ray wavelengths before spiralling into the black hole. (ESA/ATG medialab)

Slumbering Giant Black Hole Awakes After 26 Years

June 27, 2015

Some 8,000 light years from Earth, in the constellation Cygnus, a binary system known as V404 Cygni has come to life for the first time in 26 years. While most binary systems consist of two stars orbiting a common center of mass, V404 Cygni is made up of a black hole and a star that […]

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