| 单词 |
astrophysics |
| 释义 |
astrophysics|æstrəʊˈfɪzɪks|
[f. astro- + physics.]
That branch of astronomy which treats of the physical or chemical properties of the celestial bodies. Hence astroˈphysicist, a student of astronomical physics.
1869E. Dunkin Midnight Sky 201 As a subject for the investigations of the astro-physicist, the examination of the luminous spectras of the heavenly bodies has proved a remarkably fruitful one. 1890Sat. Rev. 9 Aug. 176/1 The new science of ‘astrophysics’. 1901Newcomb Stars i. 10 The astronomer, or astrophysicist as he now calls himself. 1933Discovery May 165/1 Some time ago it seemed to be the belief of the astrophysicists that the age of the stars and of the galactic system must be much greater than that of the earth. 1938R. W. Lawson tr. Hevesy & Paneth's Man. Radioactivity (ed. 2) xxvi. 289 The results of their observations [of cosmic radiation] are no less important in astrophysics than in atomic research. 1946Nature 23 Nov. 764/2 A modern laboratory for spectroscopic research—a most important branch in connection with future developments in astrophysics. 1962Sci. Survey V. 70 Astrophysicists—those who apply physics to astronomical problems—have provided a coherent account of the life history of the stars. |
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