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If a supernovaò??s original star is massive enough to form a black hole, why is there any explosion? Why doesnò??t the entire mass of the original star simply fall onto the newly formed black hole and instantly vanish? | Astronomy.com
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  • If a supernovaò??s original star is massive enough to form a black hole, why is there any explosion? Why doesnò??t the entire mass of the original star simply fall onto the newly formed black hole and instantly vanish?
FROM THE February 2015 ISSUE

If a supernovaò??s original star is massive enough to form a black hole, why is there any explosion? Why doesnò??t the entire mass of the original star simply fall onto the newly formed black hole and instantly vanish?

Rick Kelley, Hilo Hawaii
Published: Monday, December 29, 2014
RELATED TOPICS: SUPERNOVAE
Supernova remnants
For some massive stars, it may be possible that collapse leads directly to the formation of a black hole with no explosion. Astronomers have proposed that such stars might just wink out of existence, and there is a recent report that such an event might have been detected. It seems a star that appeared in a Hubble Space Telescope image years ago has vanished.

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