Massive Black Hole discovered in our cosmic backyard! Know how black holes are formed | Tech News

Massive Black Hole discovered in our cosmic backyard! Know how black holes are formed

A team of astronomers has discovered a massive black hole in the cosmic backyard. Know how black holes are formed and other details here.

By: HT TECH
| Updated on: Oct 21 2022, 14:20 IST
In Pics: What are Northern lights? 5 facts about this stunning Aurora phenomenon
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1/5 Auroras or Northern lights are shifting curtains of light in greens, blues and pinks which light up the night sky in the Northern and Southern poles. They are called Northern Lights or Aurora Borealis in the North Pole and Southern Lights or Aurora Australis in the South Pole. (AFP)
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2/5 Auroras occur at the northern and southern poles, according to NASA. Occasionally, space weather interacting with Earth can cause auroras to extend even further away from the poles. These mesmerizing lights are constantly changing shape and intensity, from dim and scattered, to bright enough that they are visible for miles. (TWAN/Kwon O Chul)
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3/5 According to NASA, when a solar storm interacts with Earth’s magnetic field, it results in the formation of Geomagnetic storms. The solar particles released during this interact with the various gases present in our atmosphere and form stunning Auroras which are a sight to behold, especially from places like Reykjavik in Iceland and Svalbard in Norway. (NOAA)
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4/5 Did you know that Auroras form on other planets too? Yes! Not only Earth, but Auroras have been seen on planets like Jupiter and Saturn. NASA says that if a planet has an atmosphere and a magnetic field, Auroras can form if the conditions are right! (NASA)
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5/5 Scientists study aurora from a variety of vantage points: below, above, and within. From below, ground based telescopes and radar look upward to track what’s happening in the sky. From above, NASA missions such as THEMIS investigate what causes auroras to dramatically shift from slowly shimmering waves of light to wildly shifting streaks of colour, according to the space agency. (NASA)
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Know what are black holes and how they are formed. (Representative Image) (NASA)

Black holes are one of the most interesting topics for scientific researchers. As per the latest update, a massive black hole has been discovered in our cosmic backyard. The black hole is estimated to be twelve times the mass of the sun. According to a report by universetoday.com, "after consulting the Gaia Data Release 3 (DR3), a team of astronomers led by the University of Alabama Huntsville (UAH) recently observed a black hole in our cosmic backyard. As they describe in their study, this monster black hole is roughly twelve times the mass of our Sun and located about 1,550 light-years from Earth. "

But do you know what actually black holes are? According to NASA, a black hole is an astronomical object with a gravitational pull so strong that nothing, not even light, can escape it. A black hole's “surface,” called its event horizon, defines the boundary where the velocity needed to escape exceeds the speed of light, which is the speed limit of the cosmos. Matter and radiation fall in, but they cannot get out. The research organisation also informed about two main classes of black holes.

"Two main classes of black holes have been extensively observed. Stellar-mass black holes with three to dozens of times the Sun's mass are spread throughout our Milky Way galaxy, while supermassive monsters weighing 100,000 to billions of solar masses are found in the centers of most big galaxies, ours included," it said.

How are black holes formed

According to NASA Science, one star's end is the beginning of a black hole. "Most black holes form from the remnants of a large star that dies in a supernova explosion. (Smaller stars become dense neutron stars, which are not massive enough to trap light.) If the total mass of the star is large enough (about three times the mass of the Sun), it can be proven theoretically that no force can keep the star from collapsing under the influence of gravity.

NASA's Swift telescope observed the powerful, fleeting flashes of light known as gamma ray bursts. Chandra and NASA's Hubble Space Telescope later collected data from the event's "afterglow," and together the observations led astronomers to conclude that the powerful explosions can result when a black hole and a neutron star collide, producing another black hole.

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First Published Date: 21 Oct, 13:37 IST
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