In this classic book by the legendary Isaac Asimov, part of the 'How Did We Find Out About...?' series, readers embark on a historical journey to understand our star, the Sun. The book traces the evolution of human knowledge from ancient myths to modern scientific breakthroughs, explaining how scientists discovered the Sun's size, distance, composition, and the nuclear fusion process that powers it. Asimov's clear and engaging style makes complex astronomical concepts accessible and fascinating for young readers and curious minds.