astronomy
Introduction
astronomy, branch of science that studies the motions and natures of celestial bodies, such as planets, stars, and galaxies; more generally, the study of matter and energy in the universe at large.
Sections in this article:
- Introduction
- Development of Modern Astronomy
- Modern Techniques, Discoveries, and Theories
- Ancient Astronomy
- Bibliography
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
See more Encyclopedia articles on: Astronomy: General