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Astronomy Astronomy is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and evolution. Objects of interest include planets, moons, stars, nebulae, galaxies, meteoroid, asteroid, and comets.

✨Core Contents of the Application✨
1. Science and the Universe: A Brief Tour 2. Observing the Sky: The Birth of Astronomy 3. Orbits and Gravity 4. Earth, Moon, and Sky 5. Radiation and Spectra 6. Astronomical Instruments 7. Other Worlds: An Introduction to the Solar System 8. Earth as a Planet 9. Cratered Worlds 10. Earthlike Planets: Venus and Mars 11. The Giant Planets 12. Rings, Moons, and Pluto 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

👉At the end of each chapter in this textbook you, will find
- Intelligence
- Key Terms
- Summary
- For Further Exploration
- Collaborative Group Activities
- Exercises