as·tron·o·my 
(ə-strŏnə-mē)
(ə-strŏnə-mē)n. pl. as·tron·o·mies
1. The scientific study of matter and phenomena in the universe, especially in outer space, including the positions, dimensions, distribution, motion, composition, energy, and evolution of celestial objects.
2. A system of knowledge or beliefs about celestial phenomena: the various astronomies of ancient civilizations.
[Middle English astronomie, from Old French, from Latin astronomia, from Greek astronomiā : astro-, astro- + -nomiā, -nomy.]
- takeover
- take-over
- take part
- take part
- take pity on
- take place
- taker
- take root
- take shape
- take sick
- take sides
- take (someone) down a peg
- take someone down a peg
- take (someone's) life
- take someone's life
- take (someone's) part
- take someone's part
- take (someone's) word for it
- take someone's word for it
- take (someone) to the woodshed
- take someone to the woodshed
- take stock
- take stock in
- take ten
- take the bench