Space News | Black Hole Mystery Runaway Star

Space News: Two years ago, astronomers watched in bewilderment as the corona of a supermassive black hole quickly disappeared from view, only to reappear months later. New research suggests that the strange event was caused by a runaway star.

Scientists saw a black hole corona disappear | Space news 2020 | NASA

Space News - The remnants of a runaway star.

Because black holes can't be studied directly, scientists often observe their eating habits to learn what these giants are doing. So, when a black hole suddenly stops eating gas altogether - and then suddenly starts eating again, and is hungrier than ever. 

What does this mean?

Space news | typical feeding black hole and a briefly dimmed black hole.

• The first clues, of which there was something, came from observations made by two large survey programs that scan the skies. 

• Those early glimpses prompted scientists to recruit some X-ray observatories to get a better idea of what was happening in that patch of sky.

The research is described in an article published in The Astrophysical Journal Letters on July 16.

Video: The corona of the black hole disappears during an event that has never been observed before.

The corona of the black hole disappears during an event that has never been observed before. (Video - 2020).

Title 75 characters	Black Hole’s Corona Disappears in An Event Never Witnessed Before - YouTube
Description 160 characters	Now you see it, now you don’t. Scientists saw a black hole corona totally disappear, only to find it brighten again later. They say it was so strange,...

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TranscriptBlack Hole’s Corona Disappears in An Event Never Witnessed Before

Reference and more sources.

http://iopscience.iop.org/article/10.3847/2041-8213/ab91a1

The Destruction and Recreation of the X-Ray Corona in a Changing-look Active Galactic Nucleus

Study results show that changing-look events can be associated with dramatic and rapid transformations of the innermost regions of accreting supermassive black holes.

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The Destruction and Recreation of the X-Ray Corona in a Changing-look Active Galactic NucleusAbstract

http://www.space.com/black-hole-mystery-runaway-star.html

Title 87 characters	The mystery of a black hole's disappearing (and reappearing) meal may be solved | Space
Description 124 characters	Scientists think they have an explanation for why a black hole corona suddenly disappeared, then gradually brightened again.

The mystery of a black hole's disappearing and reappearing. | Space news, 2020.

Headings

The mystery of a black hole's disappearing (and reappearing) meal may be solved