Required:Astronomy 2e by OpenStax, 2022. Rice University. Senior Contributing Authors: Andrew Fraknoi, Fromm Institute, University of San Francisco; David Morrison, NASA (Emeritus) and SETI Institute; Sidney Wolff, NOIRLab (Emerita). OpenStax course materials are the most widely used OER (Open Educational Resources) textbooks in the world. Always free in digital format (PDF or online), the books are available at low cost in full-color hardcover and B&W paperback print formats (for example from Amazon).
Recommended: a star-mapping app for your phone or tablet (iOS | Android)
