Astronomy – Age 18 (Bachelor's)
Grade Equivalents
| 🇺🇸 United States | College Freshman |
| 🇬🇧 United Kingdom | University Year 1 |
| 🇮🇳 India | B.A./B.Sc. Year 1 |
| 🇳🇬 Nigeria | University Year 1 |
| 🇿🇦 South Africa | University Year 1 |
| 🇦🇺 Australia | University Year 1 |
| 🇨🇦 Canada | University Year 1 |
About This Textbook
This textbook is designed to meet scope and sequence requirements of introductory astronomy courses. It can be used for either a one-semester or two-semester introductory course.
Table of Contents
Science and the Universe: A Brief Tour — Observing the Sky: The Birth of Astronomy — Orbits and Gravity — Earth, Moon, and Sky — Radiation and Spectra — Astronomical Instruments — Other Worlds: An Introduction to the Solar System — Earth as a Planet — Cratered Worlds — Earthlike Planets: Venus and Mars — The Giant Planets — Rings, Moons, and Pluto — Comets and Asteroids: Debris of the Solar System — Cosmic Samples and the Origin of the Solar System — The Sun: A Garden-Variety Star — The Sun: A Nuclear Powerhouse — Analyzing Starlight — The Stars: A Celestial Census — Celestial Distances — Between the Stars: Gas and Dust in Space — The Birth of Stars and the Discovery of Planets outside the Solar System — Stars from Adolescence to Old Age — The Death of Stars — Black Holes and Curved Spacetime — The Milky Way Galaxy — Galaxies — Active Galaxies, Quasars, and Supermassive Black Holes — The Evolution and Distribution of Galaxies — The Big Bang — Life in the Universe