Astronomers have captured the moment a supermassive black hole shredded a star the size of our sun, releasing images that show the devastating process in unprecedented details.

Using telescopes from the European Southern Observatory (THAT), they were able to monitor light flaring from the processknown as a tidal disruption eventfrom a black hole just over 215 million light years from Earth.

They observed the star being physically torn apart as it was sucked into the black hole’s giant maw.

The idea of a black hole ‘sucking ina nearby star sounds like science fiction,” said Matt Nicholl, a lecturer and Royal Astronomical Society research fellow at the University of Birmingham, lead author of the study.

When a star strays too close to a supermassive black hole, it is subjected to the phenomenal strength of the black hole’s gravity.

The star can be physically torn apart and its matter pulled into long strings, a process known as “spaghettification”.

When these forces exceed the star’s cohesive force, the star loses pieces that rush into the black hole,” Stephane Basa, a researcher from the Marseille Astrophysics Laboratory, told AFP.

This exceptional influx of matter produces intense electromagnetic emissions, which last for several months while the debris is digested.

While other tidal disruption events have previously been observed, the powerful burst of light they emit are often obscured by a curtain of dust and debris.

Because they discovered the event just a short time after the star was ripped apart the team were able to pinpoint how the obscuring debris forms.

Using high powered telescopes, they observed the event as the light flare grew in luminosity then gradually fadeda process of some six months.

Nicholl said that the observations suggested the star involved had roughly the mass as our own sun, but that the black hole wasa monsterwhich is over a million times more massive.

The team behind the study, published in the journal Monthly Notices of the Royal Astronomical Society recently, said they hoped it would help scientists to better understand how matter behaves in the extreme gravity environments surrounding supermassive black holes.

Last week a trio of scientists, Roger Penrose of Britain, Reinhard Genzel of Germany and Andrea Ghez of the US, were awarded the Nobel Physics Prize for their research into black holes, dubbed by the Novel committeeone of the most exotic phenomena in the universe.

Source: https://www.thedailystar.net/backpage/news/telescopes-capture-black-hole-devouring-star-1979917

Black hole, Star, Spaghettification, Astronomy, Gravity, Supermassive black hole, Galaxy, Tidal disruption event

World news – THAT – Telescopes capture black hole devouring star

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