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Stupendously Large Black Holes Could Be Hiding in Universe

Dragon
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Stupendously Large Black Holes Could Be Hiding in Universe Empty Stupendously Large Black Holes Could Be Hiding in Universe

Post by Dragon Mon Jan 25, 2021 12:39 am

If ‘stupendously large’ black holes, those with masses more than 100 billion times that of the Sun, exist in the Universe, they would provide a powerful tool for cosmological tests due to their unique imprints, according to a paper published in the Monthly Notices of the Royal Astronomical Society.

“Black holes are a key prediction of general relativity,” said Queen Mary Emeritus Professor Bernard Carr and colleagues.

“There is also evidence for supermassive black holes at the centers of galaxies, including Sagittarius A* at the center of our own Milky Way Galaxy, with a mass of 4 million solar masses.”

“The current heaviest black hole is associated with the quasar TON 618 and has a mass of 70 billion solar masses, while the second heaviest, at the center of the galaxy IC 1101, has a mass inferred from its radio emission of 40 billion solar masses.”

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Post by Dragon Mon Jan 25, 2021 12:41 am

Stupendously Large Black Holes Could Be Hiding in Universe Image_9278-SLAB
Image credit: NASA’s Goddard Space Flight Center.

Carr et al. investigated how stupendously large black holes could form and potential limits to their size.

Source / Image Courtesy


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Post by Dragon Mon Jan 25, 2021 12:42 am



Visiting the Largest Black Hole in the Universe (TON 618)

The current heaviest black hole is associated with the quasar TON 618 and has a mass of 70 billion solar masses, while the second heaviest, at the center of the galaxy IC 1101, has a mass inferred from its radio emission of 40 billion solar masses.


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Post by Dragon Mon Jan 25, 2021 12:45 am



The Largest Galaxy in the Universe - IC 1101

The universe is filled with galaxies. Billions of them.

But in this video, we are on a journey to the biggest one ever observed. The galaxy is called IC 1101.


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Stupendously Large Black Holes Could Be Hiding in Universe Empty Re: Stupendously Large Black Holes Could Be Hiding in Universe

Post by Dragon Mon Jan 25, 2021 12:46 am




“There is also evidence for supermassive black holes at the centers of galaxies, including Sagittarius A* at the center of our own Milky Way Galaxy, with a mass of 4 million solar masses.”

ESO’s exquisitely sensitive GRAVITY instrument has added further evidence to the long-standing assumption that a supermassive black hole lurks in the centre of the Milky Way.

New observations show clumps of gas swirling around at about 30% of the speed of light on a circular orbit just outside a four million solar mass black hole — the first time material has been observed orbiting close to the point of no return, and the most detailed observations yet of material orbiting this close to a black hole.


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