Three supermassive black holes closely orbiting around each other have been discovered in a galaxy more than 4 billion light years away from Earth.
This is the tightest trio of black holes known to date and is remarkable since most galaxies have just one at their center (usually with a mass between 1 million to 10 billion times that of the Sun).
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The discovery suggests that these closely packed supermassive black holes are far more common than previously thought. The team, led by South African Dr Roger Deane from the University of Cape Town, used a technique called Very Long Baseline Interferometry (VLBI) to discover the inner two black holes of the triple system. This technique combines the signals from large radio antennas separated by up to 10 000 kilometers to see detail 50 times finer than that possible with the Hubble Space Telescope. The observations were done with the European VLBI Network (EVN) and the data were correlated at the Joint Institute for VLBI in Europe (JIVE) in Dwingeloo, the Netherlands.
"What remains extraordinary to me is that these black holes, which are at the very extreme of Einstein's Theory of General Relativity, are orbiting one another at 300 times the speed of sound on Earth", says Deane. "Not only that, but using the combined signals from radio telescopes on four continents we are able to observe this exotic system one third of the way across the Universe. It gives me great excitement as this is just scratching the surface of a long list of discoveries that will be made possible with the Square Kilometer Array (SKA).
The study has been published online in the journal Nature.
Source: ANI
The study has been published online in the journal Nature.
Source: ANI
Scientists Discover Supermassive Black Holes
An international team of researchers has discovered a pair of supermassive black holes in orbit around one another.
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 Pair of Supermassive Black Holes DiscoveredAn international team of researchers has discovered a pair of supermassive black holes in orbit around one another. | Advertisement
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