= perilune, n.
| 单词 | θ207500 |
| 释义 | society > travel > air or space travel > space flight > [noun] > a space shot or flight > course or trajectory of spacecraft > point in lunar orbit (2) pericynthion1959 = perilune, n. perilune1960 The point at which a spacecraft in lunar orbit is nearest to the moon's centre. Cf. pericynthion, n. |
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