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Astronomers Capture First Image of Milky Way’s Huge Black Hole
May 12, 2022by Seth Borenstein, Associated Press
WASHINGTON (AP) — The world got a look Thursday at the first wild but fuzzy image of the supermassive black hole at the center of our own Milky Way galaxy.
Astronomers believe nearly all galaxies, including our own, have these giant black holes at their center, where light and matter cannot escape, making it extremely hard to get images of them. Light gets chaotically bent and twisted around by gravity as it gets sucked into the abyss along with superheated gas and dust.
The colorized image unveiled Thursday is from the international consortium behind the Event Horizon Telescope, a collection of eight synchronized radio telescopes around the world. Previous efforts had found the black hole in the center of our galaxy too jumpy to get a good picture.
The University of Arizona’s Feryal Ozel called the black hole “the gentle giant in the center of our galaxy” while announcing the new image.
The Milky Way black hole is called Sagittarius A(asterisk), near the border of Sagittarius and Scorpius constellations. It is 4 million times more massive than our sun.
This is not the first black hole image. The same group released the first one in 2019 and it was from a galaxy 53 million light-years away. The Milky Way black hole is much closer, about 27,000 light-years away. A light year is 5.9 trillion miles (9.5 trillion kilometers).
The project cost nearly $60 million with $28 million coming from the U.S. National Science Foundation.
The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Department of Science Education. The AP is solely responsible for all content.
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