perigee 的定义
Astronomy.
- the point in the orbit of a heavenly body, especially the moon, or of an artificial satellite at which it is nearest to the earth.
perigee 近义词
等同于 orbit
更多perigee例句
- An habitual liar's nearest approach to truth: the perigee of his eccentric orbit.
- It was a remarkable eclipse in that the Moon was within 13° of perigee and the Sun only 2° from apogee.
- The Babylonians knew of the inequality in the daily motion of the sun, but misplaced by 10 the perigee of his orbit.
- He used, however, the old word "perigee" (nearness to the earth) rather than the Newtonian "perihelion" (nearness to the sun).
- Where yet he noteth, that according to another Calculation, the Perigee was March 27.