Astronomy. The apparent movement of the sun, a constellation, the firmament, etc., around the earth; the movement of a planet, moon, satellite, etc…
| 单词 | θ221 |
| 释义 | the world > the universe > heavenly body > movement of heavenly bodies > [noun] > movement in orbit (26) revolutiona1393 Astronomy. The apparent movement of the sun, a constellation, the firmament, etc., around the earth; the movement of a planet, moon, satellite, etc… periodical1892 Astronomy. The periodic orbit of a celestial object. Obsolete. rare. Subcategories:— complete passage (3) — orbit (21) |
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