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单词 annular eclipse
释义

> as lemmas

annular eclipse
3. Astron. annular eclipse of the sun: when the dark body of the moon is seen projected upon the sun's disk, so as to leave a ring of light visible all round; which happens when the moon is at such a distance from the earth, at the time of the eclipse, that its diameter appears smaller than the sun's.
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the world > the universe > sun > sunlight > [noun] > eclipse
annular eclipse1728
Baily's beads1861
shadow-band1891
1728 E. Chambers Cycl. at Eclipse, It [sc. the Eclipse of the Sun] is distinguished, like that of the Moon, into Total and Partial, &c. to which must be added a third Species called Annular.
1765 M. Murray in Philos. Trans. 1764 (Royal Soc.) 54 171 About half an hour after 10, the eclipse was barely annular.
1849 M. Somerville Connex. Physical Sci. v. 46 [He] would see a ring of light round the disc of the moon, and the eclipse would be annular.
extracted from annularadj.
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