A1S1T1R1O1N1O1M3Y4
14 points
ASTRONOMY is validvalid
the branch of physics that studies celestial bodies and the universe as a whole [n ASTRONOMIES]
the study of the celestial bodies and the heavens in all scientific aspects [n ASTRONOMIES]
the branch of physics that studies celestial bodies and the universe as a whole [n ASTRONOMIES]
the study of the celestial bodies and the heavens in all scientific aspects [n ASTRONOMIES]