Robert Ball combined mathematical knowledge with the instincts of a gifted public lecturer. He explains how astronomers infer size, distance, motion, and mass from observations, then uses those tools to tour the Sun, Moon, planets, comets, and stellar universe.
The observational stories remain valuable even where later astronomy has revised the details. The book shows how nineteenth-century scientists built large conclusions from careful measurements made with comparatively modest instruments.
About this free edition
This catalog record links to Project Gutenberg’s public-domain edition. Historical science books are valuable primary sources, but older claims should be compared with current evidence before being treated as modern scientific guidance.
