Astronomy#
An introductory astronomy course, organized from the sky and the Solar System outward to stars, galaxies, and cosmology, with a curated set of reviews, articles, code, and tools for each topic.
Chapters#
Foundations — why astronomy matters, celestial navigation and timekeeping, the electromagnetic spectrum, and how light interacts with matter
The Sun — structure, composition, and variability
Stars — structure, spectral classification, formation, and evolution
The Solar System — in-situ missions, minor bodies, and Earth observation
Planets — interior and atmospheric structure, formation, and evolution
Exoplanets — detection, statistics, surprising discoveries, and astrobiology
Compact Objects & Transients — supernovae, black holes, neutron stars, white dwarfs, pulsars, magnetars, AGNs, GRBs, FRBs, and gravitational waves
Galaxies — the Milky Way, and galaxy structure, formation, and evolution
Cosmology — the shape, composition, and evolution of the universe
Resources — references, further readings, and tools