Astronomy. = perigee, n. 1.
单词 | θ419 |
释义 | the world > the universe > planet > planetary movement > [noun] > orbit > apsis > perigee (3) perigeum1594 Astronomy. = perigee, n. 1. perigee1595 Astronomy and Astronautics. The point in the orbit of the moon, an artificial satellite, etc., at which it is nearest to the earth. Cf. perigeum, n.… perigeum1646 Astronomy. = perigee, n. 2. rare. |
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