When an Orbiting Spacecraft Is Closest to the Moon
This page is the CodyCross answer for the clue below from Past and Present Tech, Group 1450, Puzzle 3 (Fax Machines).
Question
When an Orbiting Spacecraft Is Closest to the Moon
Answer
PERILUNE
Word Meaning:
PERILUNE — (astronomy) The point of an elliptical lunar orbit where the distance between the satellite and the Moon is at its minimum.
Definitions from Wiktionary.