Astronomy I

This is my introductory textbook on Astronomy, covering a complete university-level technical introduction of astronomy.

Introduction

1. Introduction to Astronomy
   1. The Nature of Astronomy
   2. The Nature of Science
   3. The Laws of Nature
   4. The 4 Fundamental Laws of Reality
   5. Numbers In Astronomy
   6. The Speed of Light
   7. A Brief Overview of the Universe
   8. The Beginning of Time
2. Earth, Moon, and Sky
   1. Earth and Sky
   2. The Celestial Sphere
   3. The Seasons
   4. Keeping Time
   5. The Calendar
   6. Moon Phases :: The Dynamics of Earth-Sun-Moon Geometry
   7. Ocean Tides and the Moon
   8. George Darwin and the Slowing Earth
3. Ancient Astronomy
   1. The Birth of Astronomy
   2. The Difference Between Astrology and Astronomy
   3. Ancient Greek Astronomy
      1. Hipparchus
   4. Ancient Greek Worldview
   5. Babylonian Astronomy
   6. The Almagest
4. Revolutions of the Middle Age
   1. The Birth of Modern Astronomy
   2. Nicolaus Copernicus :: The Father of Modern Astronomy
   3. The Heliocentric Model
   4. Galileo Galilei
   5. Tycho Brahe
   6. Johannes Kepler
   7. <<<Kepler’s Three Laws of Planetary Motion>>>
   8. <<<Keplers First Law :: The Law of Elliptical Orbits>>>
   9. <<<Elliptical Orbits>>>
   10. <<<Ellipse>>> [Mathematics]
5. The Universe
   1. Atmosphere :: The Sphere of Gas Around Planets and Stars
6. The Solar System
   1. The Heliopause :: Where the Sun Ends and Interstellar Space Begins
   2. The Earth
      1. What Is The Orbital and Rotational Speed of Earth? (Technical :: Beginner)
   3. The Moon
      1. The Far Side of the Moon*
      2. Moon Phases :: The Cosmic Dance of Earth, Sun, and Moon Geometry*
      3. China’s Chang’e 4 Landing on the Far Side of the Moon*
      4. How Far Does the Moon Travel in 1 Day? (Technical :: Beginner)*
7. Cosmology
   1. Cosmology :: The Story of Our Universe
   2. Cosmological Expansion
   3. The Galactic Year
8. Astronomical Objects
   1. Red Dwarf :: The Smallest & Oldest Stars In The Galaxy
   2. <<<Galaxy Cluster>>>