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Tidal disruption event
January 11 , 2023
677 days
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- Telescopes operated by NASA recently observed a massive black hole devouring a star.
- The incident was the fifth-closest example of a black hole destroying a star.
- It occurred 250 million light-years from the earth, in the centre of another galaxy.
- The astronomical phenomenon of the destruction of a star by a black hole is formally called a tidal disruption event (TDE).
- A tidal force is the difference in the strength of gravity between two points.
- If the tidal force exerted on a body is greater than the intermolecular force that keeps it together, the body will get disrupted.
- The event is formally called AT2021ehb.
- It took place in a galaxy with a central black hole about 10 million times the mass of our sun.
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