Discipline Which Explores Celestial Bodies
This page is the CodyCross answer for the clue below from Airport, Group 456, Puzzle 3 (Air Traffic Control).
Question is: Discipline Which Explores Celestial Bodies
and the answer is: ASTRONOMY
Word Meaning:
ASTRONOMY — The study of the physical universe beyond the Earth's atmosphere, including the process of mapping locations and properties of the matter and radiation in the universe.
Definitions from Wiktionary.