Scientists say black hole suddenly gone dark and then reappeared again

scientists at MIT recently ted that a black hole suddenly turned dark and n reappeared again as it swiftly changed brightness in a way that would rmally be expected to take millions of years. According to an MIT press te, scientist said that re is obvious reason for behaviour, which has never been seen before. However, y ted that ‘mind-boggling’ change may be result of a stray star that disrupted black hole before it could come back again. 

Erin Kara, who is an assistant professor of physics at MIT, said, “We expect that lumisity changes this big should vary on timescales of many thousands to millions of years. But in this object, we saw it change by 10,000 over a year, and it even changed by a factor of 100 in eight hours, which is just totally unheard of and really mind-boggling”. 

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astromers at MIT informed that black hole can be seen by ir ‘corona’, which is found around ir edge or event horizon. Thy furr said that corona is me up of high-energy particles that shine brightly across universe, and are heated to intense temperatures. As per press te, scientists believe that corona was destroyed, with objects falling into black hole itself. y speculate that this may have led to sudden and inexplicable dip in brightness. 

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Corona disappears for first time ever 

scientists at MIT observed that black hole, over time, mand to pull material back to its edge to form new corona, which was almost as bright as it was before. Furrmore, astromers ted that sudden change could have happened when a star fell into black hole’s gravity and bounced around swirling disc that surrounded it, causing destruction as it went. y said that particles would n have fallen into black hole, leing it to go dark. 

Kara said, “This seems to be first time we’ve ever seen a corona first of all disappear, but n also rebuild itself, and we’re watching this in real-time”. 

She ded, “This will be really important to understanding how a black hole’s corona is heated and powered in first place”. 

(Im: MIT/Press release)

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