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4.4Astronomy is designed to meet the scope and sequence requirements of one- or two-semester introductory astronomy courses. The book begins with relevant scientific fundamentals and progresses through an exploration of the solar system, stars, galaxies, and cosmology. The Astronomy textbook builds student understanding through the use of relevant analogies, clear and non-technical explanations, and rich illustrations. Mathematics is included in a flexible manner to meet the needs of individual instructors. * Complete Textbook by OpenStax * Multiple Choices Questions (MCQ) * Essay Questions Flash Cards * Key-Terms Flash Cards Powered by QuizOver.com the leading online quiz creator https://www.quizover.com 1. Science and the Universe: A Brief Tour 1.1. The Nature of Astronomy 1.2. The Nature of Science 1.3. The Laws of Nature 1.4. Numbers in Astronomy 1.5. Consequences of Light Travel Time 1.6. A Tour of the Universe 1.7. The Universe on the Large Scale 1.8. The Universe of the Very Small 1.9. A Conclusion and a Beginning 2. Observing the Sky: The Birth of Astronomy 2.1. The Sky Above 2.2. Ancient Astronomy 2.3. Astrology and Astronomy 2.4. The Birth of Modern Astronomy 3. Orbits and Gravity 3.1. The Laws of Planetary Motion 3.2. Newton’s Great Synthesis 3.3. Newton’s Universal Law of Gravitation 3.4. Orbits in the Solar System 3.5. Motions of Satellites and Spacecraft 3.6. Gravity with More Than Two Bodies 4. Earth, Moon, and Sky 4.1. Earth and Sky 4.2. The Seasons 4.3. Keeping Time 4.4. The Calendar 4.5. Phases and Motions of the Moon 4.6. Ocean Tides and the Moon 4.7. Eclipses of the Sun and Moon 5. Radiation and Spectra 5.1. The Behavior of Light 5.2. The Electromagnetic Spectrum 5.3. Spectroscopy in Astronomy 5.4. The Structure of the Atom 5.5. Formation of Spectral Lines 5.6. The Doppler Effect 6. Astronomical Instruments 6.1. Telescopes 6.2. Telescopes Today 6.3. Visible-Light Detectors and Instruments 6.4. Radio Telescopes 6.5. Observations outside Earth’s Atmosphere 6.6. The Future of Large Telescopes 7. Other Worlds: An Introduction to the Solar System 7.1. Overview of Our Planetary System 7.2. Composition and Structure of Planets 7.3. Dating Planetary Surfaces 7.4. Origin of the Solar System 8. Earth as a Planet 8.1. The Global Perspective 8.2. Earth’s Crust 8.3. Earth’s Atmosphere 8.4. Life, Chemical Evolution, and Climate Change 8.5. Cosmic Influences on the Evolution of Earth 9. Cratered Worlds 9.1. General Properties of the Moon 9.2. The Lunar Surface 9.3. Impact Craters 9.4. The Origin of the Moon 9.5. Mercury 10. Earthlike Planets: Venus and Mars 10.1. The Nearest Planets: An Overview 10.2. The Geology of Venus 10.3. The Massive Atmosphere of Venus 10.4. The Geology of Mars 10.5. Water and Life on Mars 10.6. Divergent Planetary Evolution 11. The Giant Planets 11.1. Exploring the Outer Planets 11.2. The Giant Planets 11.3. Atmospheres of the Giant Planets 12. Rings, Moons, and Pluto 12.1. Ring and Moon Systems Introduced 12.2. The Galilean Moons of Jupiter 12.3. Titan and Triton 12.4. Pluto and Charon 12.5. Planetary Rings 13. Comets and Asteroids: Debris of the Solar System 14. Cosmic Samples and the Origin of the Solar System 15. The Sun: A Garden-Variety Star 16. The Sun: A Nuclear Powerhouse 17. Analyzing Starlight 18. The Stars: A Celestial Census 19. Celestial Distances 20. Between the Stars: Gas and Dust in Space 21. The Birth of Stars and the Discovery of Planets outside the Solar System 22. Stars from Adolescence to Old Age 23. The Death of Stars 24. Black Holes and Curved Spacetime 25. The Milky Way Galaxy 26. Galaxies 27. Active Galaxies, Quasars, and Supermassive Black Holes 28. The Evolution and Distribution of Galaxies 29. The Big Bang 30. Life in the Universe
