| 单词 | physical astronomy |
| 释义 | > as lemmasphysical astronomy physical astronomy n. the branch of astronomy concerned with physical properties of celestial objects; the application of the techniques and theories of physics to astronomy. ΘΚΠ the world > the universe > cosmology > astronomy > [noun] > astrophysics physical astronomy1703 astrophysics1870 1703 Philos. Trans. 1702–3 (Royal Soc.) 23 1312 What the world has hitherto wanted, the Learned Dr Gregory, has supplied it with a compleat System of true and Physical Astronomy. 1715 tr. D. Gregory Elements Astron. I. Pref. ii The Celestial Physics, or Physical Astronomy, is not only the first in dignity of all inquiries into Nature whatever. 1834 Penny Cycl. II. 529/2 The third department of astronomy [sc. after observation and mathematical astronomy]..is that which goes under the name of physical astronomy, and consists in the combination of the various phenomena as actually observed, in order to find out what are their physical causes, and according to what laws those causes act. 1986 D. Knight Age of Sci. x. 176 One of the great names in the new physical astronomy was Norman Lockyer, who rapidly mastered the techniques of spectrum analysis. < as lemmas |
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