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noun Astronomy.
the mass limit above which a star has too much mass to become a white dwarf after gravitational collapse, approximately 1.44 solar masses.
Origin:
1975–80; after U.S. astrophysicist Subrahmanyan Chandrasekhar (born 1910), who formulated it
1975–80; after U.S. astrophysicist Subrahmanyan Chandrasekhar (born 1910), who formulated it
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To Chandrasekhar limit
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Chandrasekhar limit
is always a great word to know.
So is Polaris. Does it mean:
| the polestar or North Star, a star of the second magnitude close to the north pole of the heavens, in the constellation Ursa Minor |
| the small circle of the celestial sphere whose plane is tangent to the earth at the position of the observer |
Collins
World English Dictionary
| Chandrasekhar limit | |
| —n | |
| astronomy 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 | |
| [C20: named after S. | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
| Chandrasekhar limit
The maximum size of a stable white dwarf, approximately 3 × 1030 kg (about 1.4 times the mass of the Sun). Stars with mass higher than the Chandrasekhar limit ultimately collapse under their own weight and become neutron stars or black holes. Stars with a mass below this limit are prevented from collapsing by the degeneracy pressure of their electrons. See more at degeneracy pressure. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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