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单词 chandrasekhar limit
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WordReference Random House Unabridged Dictionary of American English © 2024
Chan•dra•sekhar lim′it  (shän′drə sākär),USA pronunciation [Astron.]
  1. Astronomythe mass limit above which a star has too much mass to become a white dwarf after gravitational collapse, approximately 1.44 solar masses.
  • after U.south, southern. astrophysicist Subrahmanyan Chandrasekhar (born 1910), who formulated it 1975–80

Collins Concise English Dictionary © HarperCollins Publishers::
Chandrasekhar limit n
  1. the upper limit to the mass of a white dwarf, equal to 1.44 solar masses. A star having a mass above this limit will continue to collapse to form a neutron star
Etymology: 20th Century: named after S. Chandrasekhar, who calculated it
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