| 单词 | θ951 |
| 释义 | the world > the universe > sun > position > [noun] > at noon (6) noon rest1538 noonstead1556 Originally: the position of the sun at noon; the highest point in the sky reached by any other celestial object; cf. culmination, n. 1. Later… noon-point1578 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.… apogee1640 The greatest altitude reached by the sun in its apparent course; its meridional altitude on the longest day. Obsolete. perigeum1646 Astronomy. = perigee, n. 2. rare. |
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