#astronomy

85. Astronomy and Astrophysics

This volume studies celestial objects, their dynamics, and the physical processes governing the universe. It connects observation, theory, and computation. Part I. Observational Foundations Chapter 1. The Celestial Sphere 1.1 Coordinate systems 1.2 Angular measurements 1.3 Time and calendars 1.4 Observational geometry 1.5 Examples Chapter 2. Telescopes and Detectors 2.1 Optical systems 2.2 Radio telescopes 2.3 Detectors and sensors 2.4 Resolution and sensitivity 2.5 Examples Chapter 3. Radiation and Spectra...