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Astronomers detect sudden awakening of black hole 1m times mass of sun Black holes
Mysterious brightening of distant galaxy believed to be caused by material falling into huge black hole
Animation shows newly awakened black hole – videoThe galaxy, which goes by the snappy codename SDSS1335+0728 and lies 300m light years away, was flagged to astronomers in December 2019 when an observatory in California called the Zwicky Transient Facility recorded a sudden rise in its brightness. Active galactic nuclei emit a broad spectrum of light as gas around the black hole heats up and glows, and surrounding dust particles absorb some wavelengths and re-radiate others. The team has not ruled out an exotic form of “tidal disruption event”, a highly restrained phrase to describe a star that is ripped apart after straying too close to a black hole.
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