Fascinating, engaging, and extremely visual, FOUNDATIONS OF ASTRONOMY, Enhanced Thirteenth Edition, is renowned for its current coverage, reader-friendly presentation, and detailed, yet clear explanations. The authors' goals are to help you use astronomy to understand science-and use science to answer two fundamental questions: What are we? And how do we know?
ترست بايلوت
منذ أسبوعين
منذ أسبوع
