• Title: 21st Century Astronomy
• Edition: 7th Edition
• ISBN: 9780393877021
• Publisher: W. W. Norton & Company

21st Century Astronomy, now in its seventh edition, offers a comprehensive and engaging introduction to the field. This textbook provides students with a current understanding of astronomical concepts, discoveries, and the latest research. It covers a wide range of topics, including the solar system, stars, galaxies, cosmology, and the search for extraterrestrial life. Known for its clear explanations, stunning visuals, and emphasis on the scientific method, it's an excellent resource for introductory astronomy courses.