21st Century Astronomy 6E

21st Century Astronomy 6E, 6th Edition, is an introductory textbook written by Laura Kay, Stacy Palen, and George Blumenthal. Published by W. W. Norton & Company, the volume incorporates findings from astronomy education research to emphasize learning by doing.

The text focuses on engaging students directly with astronomical concepts through interactive pedagogy. Designed to support classroom engagement, the material helps instructors integrate active learning methods into their courses.

Associated resources for the 2019 release include an instructional package with digital study tools. Available learning components include an eBook, Smartwork5, a student site, and the videogame At Play in the Cosmos.