A supermassive black hole has been found to be up to nine times larger than previously expected - making it one of the biggest-ever discovered.The black hole in the Holmberg 15A galaxy has a mass nearly 40 billion times larger than the Sun and is the biggest to be measured using a method called direct dynamical detection.Our galaxy, the Milky Way, is likely to have its own supermassive black hole with an estimated mass of around four million times larger than the Sun.A black hole is a region of space which has a gravitational field so strong that no matter or radiation can escape.The new finding in Holmberg 15A is 10,000 times bigger than that, and the updated size is down to a new way of measuring mass that included mathematics and a telescope with state-of-the-art technology.Holmberg 15A is the brightest cluster galaxy in the Abell 85 grouping of galaxies, which is around 700 million light-years away from Earth.Although it is not the largest black hole ever discovered, "this is the most massive black hole with a direct dynamical detection in the local Universe," said the authors.They highlighted how Holmberg 15A was analysed using "orbit-based, axisymmetric Schwarzschild models" and "new high-resolution, wide-field spectral observations".The observations were made using the Very Large Telescope (VLT) and the multi-unit spectroscopic explorer, which captures and measures images of stars in spaceThe explorer is located at the VLT at the European Southern Observatory in Chile, which is used by 16 countries including Germany and the UK.Physicist Kianusch Mehrgan and her colleagues have highlighted the supermassive black hole was also much larger than previous estimates. It's nearly twice the size of Jupiter, spanning a region about 172,000 miles wide, but inside is as much mass as 47,000 suns. Each would collapse into a core smaller than a proton. Pure General Relativity has nothing to stop the collapse, which would thus tend to a singularity of infinite density, but we know that that result is wrong, because of quantum mechanics. The gigantic black hole, not counting the giant rings of trapped light orbiting it, is about 23.6 billion miles (38 billion kilometers) across, according to Science News.. The newly-discovered black hole takes up 14 per cent, making it 17 billion times the mass of our sun. Black holes differ in sizes with some being small and others massive.
The black hole is in the Abell 85 galaxy cluster (Pic: NASA)The black hole within the M87 galaxy was the first to be photographed - it is 6.5 billion times bigger than the Sun Measurements of the black hole were taken using the Very Large Telescope (VLT) at the European Southern Observatory in Chile Its location is known as Sagittarius A*.The research has been submitted to The Astrophysical Journal.
Use of this site constitutes acceptance of our At 12 billion times more massive than the sun, it challenges current cosmological thinking, reports Reuters.“Our discovery presents a serious challenge to theories about the black hole growth in the early universe,” lead researcher Xue-Bing Wu for Peking University, China told the news agency.The enormous object was formed 900 million years after the Big Bang, and scientists are stumped as to how a black hole of that size could have grown in such a relatively short time.“Current theory is for a limit to how fast a black hole can grow, but this black hole is too large for that theory,” Not only is the black hole the biggest ever seen but also it’s at the center of the largest quasar ever discovered.
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