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collapsar
noun
col·lap·sar
kə-ˈlap-ˌsär
plural collapsars
: a massive star that undergoes gravitational collapse especially after colliding with another star
Collapsars are massive stars, which in the course of merging with a compact companion undergo core collapse leading to a BH [black hole] … leaving a supernova-like remnant.
P. Mészáros, Science, 5 Jan. 2001
P. Mészáros, Science, 5 Jan. 2001Today most astronomers think gamma-ray bursts result when a massive and rapidly rotating star collapses in on itself to form a black hole. The collapsing star, or collapsar, is a kind of supernova, but the extraordinary heft and spin of the star bring it to a faster and more calamitous end. Karen Wright, Discover, August 2002
Karen Wright, Discover, August 2002 broadly : black hole sense 2
Word History
Etymology
collapse entry 1 + -ar (as in quasar)
First Known Use
1971, in the meaning defined above
Time Traveler
The first known use of collapsar was in 1971 👨🏻🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
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