| 单词 | descending node |
| 释义 | > as lemmasdescending node descending node n. Astronomy the node of a planet's orbit at which the planet crosses the ecliptic from north to south (cf. descend v. 4b); cf. dragon's tail n. 1a. ΚΠ 1602 T. Blundeville Theoriques Seven Planets 268 The other is called the descending Node or the taile of the Dragon. 1848 Amer. Jrnl. Sci. 56 36 Farther from one another than the astronomical unit are, Iris and Pallas, Flora and Pallas, in their descending nodes. 2006 M. P. Borgia Human Vision & Night Sky vi. 125 A transit occurred with Venus just past the descending node of its orbit. < as lemmas |
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