| 单词 | galactic equator |
| 释义 | > as lemmasgalactic equator galactic equator n. a great circle of the sky passing as nearly as possible through the middle of the Milky Way. ΚΠ 1848 Monthly Notices Royal Astron. Soc. 1847–8 8 93 It is possible..to infer the algebraical law of the density of stars in space at any distance from the galactic equator which is less than the reach of Herschel's telescope. 1930 R. H. Baker Astron. xi. 442 The galactic equator is the great circle halfway between the galactic poles. 1999 Sky & Telescope Mar. 135 (caption) The galactic equator in the northwest Monoceros provides a rich hunting ground for deep-sky observers and astrophotographers. < as lemmas |
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