Introductory Astronomy for Undergraduates

Astronomy is one of the oldest natural sciences, dating back to antiquity, with its origins in the religious, mythological, and astrological practices of pre-history.

(Photo Credit: By Mathias Krumbholz (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia CommonsMathias Krumbholz)