Monday, July 12, 2010

as·tron·o·my audio (-strn-m) KEY

Sponsored Links

* Astronomy Magazine
Get 3 Gifts from Sky & Telescope! The Essential Magazine of Astronomy
SkyandTelescope.com/subscribe


Email this page to a friend Houghton Mifflin
< astronomical year astrophotography >

as·tron·o·my audio (-strn-m) KEY

NOUN:
pl. as·tron·o·mies

1. The scientific study of matter in outer space, especially the positions, dimensions, distribution, motion, composition, energy, and evolution of celestial bodies and phenomena.
2. A system of knowledge or beliefs about celestial phenomena: the various astronomies of ancient civilizations.

ETYMOLOGY:
Middle English astronomie, from Old French, from Latin astronomia, from Greek astronomi : astro-, astro- + -nomi, -nomy

No comments:

Post a Comment