| 单词 | quark star |
| 释义 | > as lemmasquark star quark star n. Astronomy a hypothetical celestial object, intermediate in density between a neutron star and a black hole, whose matter is in the form of quarks unconfined within nucleons. ΚΠ 1969 D. Ivanenko & D. F. Kurdgelaidze in Lettere al Nuovo Cimento 2 16 Due to the sudden expulsion of the magnetic field, one can expect some kind of explosion which can play a role in the explosions of galactic nuclei or play some part in the evolution of quark-stars. 1991 New Scientist 30 Mar. 15/2 However, it seems that quark stars could hold themselves together even at these enormous rotation speeds. 2004 B. Bunch & A. Hellemans Hist. Sci. & Technol. 714/2 2002..NASA scientists propose that an unusual astronomical object named RXJ1856.6-3754 is a ‘quark star’, a body so dense that the atomic nuclei have broken into constituent up and down quarks as well as some strange quarks. < as lemmas |
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