A new black hole discovered by astronomers at the Australian National University(ANU) is the largest one ever seen. This new black hole is growing so fast that it consumes the equivalent of one Earth each second. Astronomers from ANU describe it as “a very large, unexpected needle in the haystack”.
The astronomers also describe the black hole as celestial objects that shine 7000 times brighter than all the light from our own galaxy. This makes it visible to astronomers from across the globe. It was discovered by its optical colours from the SkyMapper Southern Survey(SMSS) during a search for other stars. The findings have been published and submitted to Publications of Astronomical Society of Australia.
“Astronomers have been hunting for objects like this for more than 50 years. They have found fainter ones, but this astonishingly bright one had slipped through unnoticed. ” Dr. Christopher Onken, lead researcher at ANU said in a statement. It is being suggested that the massive black hole is the result of two big galaxies colliding into one another. Black holes form during the death of stars with high gravitational fields. This causes the star to squeeze into a very small space, trapping everything including even the light of the dead star. This makes black holes invisible, leaving them identifiable only by the vanishing light around them.
How big is the new black hole?
The new black hole identified by the ANU has a visual magnitude of 14.5 , making it 500 times bigger than the black hole in our own galaxy as per ANU, phD researcher Samuel Lai. The black hole is so big that the orbits of all the planets in our solar system would fit into the black hole’s event horizon, which is the boundary along a black hole through which nothing can escape.
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