Across
- 3. Phases Changes in the Moon's position as it revolves around the Earth
- 5. Year Measures the distance to stars and galaxies in space
- 7. Made up of gas, dust, and billions of stars
- 8. Spinning of a planet on its axis
- 9. movement of an object in a circular or elliptic orbit around another object
Down
- 1. Outermost layer of the Sun's atmosphere
- 2. Way The galaxy that we live in
- 3. Chunks of rock that burn up upon entering Earth's atmosphere
- 4. When a space object passes directly between two other objects
- 6. Dark spots in the photosphere