Astronomers have discovered an ‘ultra-massive’ black hole that is one of the largest dark monsters ever seen in the universe.The monster has a mass 40 billion times greater than our sun and is lurking at the centre of a galaxy called Holmberg 15A.It is so big that it would be able to eat the entire solar system, including Earth and all its fleshy residents.Although the hole’s existence has been mooted before, the new study is the first to prove its existence by analysing the movements of stars around it.‘This is the most massive black hole with a direct… detection in the local universe,’ the team wrote.The beast of Holmberg 15A (which is also called Holm 15A) is likely to be truly gargantuan.A similarly-sized hole called S5 0014+81 has a diameter of 236.7 billion kilometres – which is about 40 times bigger than the distance at which Pluto orbits from the sun.But you’d probably survive for longer if you plunged into a supermassive hole than a small ‘stellar-sized’ beast with a mass comparable to our sun’s.It’s believed the ‘tidal forces’ are lower at the event horizon (the point of no return) of a supermassive hole than they are at within a smaller hole.This means an unlucky astronaut might be able to eke out their existence until they plunge beyond the event horizon – whereas a tinier monster would rip them apart much sooner.Anything that falls into a black hole undergoes a process called spaghettification in which they are stretched into a long, thin shape resembling a piece of spaghetti.Sadly, although you might theoretically take a little longer to succumb to this grim fate if you decided to jump into an ultramassive or supermassive black hole, it’s likely the radiation and other deadly forces will kill you stone dead long before you get turned into a great cosmic space noodle.The gravitational pull of these behemoths is so enormous that not even light can escape – which is why we can’t just look into the night sky and ‘see’ one.But scientists recently discovered a star which was lucky enough to ‘escape’ the clutches of the dark monster lurking at the heart of the Milky Way, humanity’s home galaxy.The news was revealed in a paper discussing the discovery of a prodigal sun named S5-HVS1 that’s zooming along at ‘extreme’ speeds of almost four million miles per hour.Researchers analysed its path to discover that the star has probably spent the past 4.8 million years on a lonely journey through space after it was ‘kicked away’ from Sagittarius A*, the name of our galaxy’s supermassive black hole.This ‘serendipitous discovery’ was made during a project called the Southern Stellar Stream Spectroscopic Survey.The stargazers said their data proved the runaway star ‘can be unambiguously traced back to the Galactic Centre’.They also put forward a theory suggesting the star was part of a ‘binary star’, which means two suns locked in orbit around each other, and was booted out of this system while interacting with Sagittarius A*,Nasa recently announced that it knows why the Milky Way’s dark colossus is relatively quiet compared to its greedy cousins in other galaxies.Sagittarius A* is lurking about 25,640 light-years away from Earth – which is great because this means it’s Research from Nasa has explained why the cosmic colossus does not appear to be as ravenous as more ‘active’ black holes, which feast on anything nearby and then emit huge burps of high energy radiation.Astronomers used the Stratospheric Observatory for Infrared Astronomy (SOFIA) to examine the magnetic fields around Sagittarius A*.They found that the field ‘channels’ the gas surrounding the hole into orbit around it.If magnetic forces steered the gas into the monster, it would become ‘active’.‘The spiral shape of the magnetic field channels the gas into an orbit around the black hole,’ said Darren Dowell, a scientist at NASA’s Jet Propulsion Laboratory.‘This could explain why our black hole is quiet while others are active.’Nasa unlocks mysteries of the phenomenon of 'space auroras'Nasa investigating 'anomaly' in Earth's magnetic fieldSpaceX return: What time will Crew Dragon land and how can you watch it in the UK?Why you need to be thinking about training for your career NOWHow to see the Full Corn Moon and when will it reach peak brightness?Flat-Earthers quarantined after trying to find ‘the end of the world’ during lockdownFull Corn Moon to rise over UK this week – but why isn’t it called the Harvest Moon? And then there's the ultramassive black hole powering the quasar TON 618 - an absolute beast at 66 billion solar masses. The monster has a mass … The higher a black hole's mass, the greater its power. So-called A small minority of sources argue that distant supermassive black holes whose large size is hard to explain so soon after the Big Bang, such as Gravitation from supermassive black holes in the center of many galaxies is thought to power active objects such as An empirical correlation between the size of supermassive black holes and the stellar Some of the best evidence for the presence of black holes is provided by the What already has been observed directly in many systems are the lower non-relativistic velocities of matter orbiting further out from what are presumed to be black holes. ""We do know that black holes are extraordinary phenomena," Hlavacek-Larrondo adds, "so it's no surprise that the most extreme specimens defy the rules that we have established up until now. It sucks up little matter and probably wouldn't be able to produce destructive high-energy jets. The quasar On March 28, 2011, a supermassive black hole was seen tearing a mid-size star apart.In 2012, astronomers reported an unusually large mass of approximately 17 billion In September 2014, data from different X-ray telescopes has shown that the extremely small, dense, Some galaxies, however, lack any supermassive black holes in their centers. Cosmological phenomena—black holes, for instance, or the big ... ? Black holes are a class of astronomical object that have undergone gravitational collapse, leaving behind spheroidal regions of space from which nothing can escape, not even light.
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