The New Astronomy

"The New Astronomy" by S. P. Langley is a scientific publication written in the late 19th century. The work explores the evolving field of astronomy, particularly the new discoveries around solar and celestial physics, which extend our understanding of the sun, stars, and their effects on Earth. Langley aims to engage educated readers with this emerging scientific landscape, rather than solely addressing professional astronomers. The opening of the book sets a broad context for the development of astronomy, contrasting ancient practices, like those observed at Stonehenge, with modern techniques used in observatories such as Greenwich and Washington. Langley introduces the concept of "the New Astronomy" - a branch focused not only on measurements of celestial bodies but also on their physical nature and implications for life on Earth. He discusses early sunspot observations and hints at the complex dynamics of the sun's surface, setting the stage for deeper explorations of solar features like the corona and chromosphere in subsequent chapters.