Across
- 3. Changes in the amount of the sunlit half of the Moon that can be seen from Earth
- 5. A huge ball of very hot gases that gives off light, heat, and other kinds of energy
- 7. the four largest planets in Earth's solar system that consist mainly of gases
- 8. An event in which the Moon passes into Earth's shadow
- 11. The turning of a planet on its axis
- 12. The system made up of all the matter and energy there is, including the galaxies, and their stars, planets, and moons
Down
- 1. The path that Earth and eight other planets make as they move around the Sun
- 2. A group of stars that forms a pattern in the night sky
- 3. A large body of rock or gas that does not produce its own light and orbits around a star
- 4. A system made up of the Sun, nine planets, and smaller bodies that orbit the Sun
- 6. The force that pulls bodies or objects toward other bodies or objects
- 7. A huge system, or group of stars held together by gravity
- 9. The movement in a path around an object, as when the Earth travels around the Sun;one complete trip around the Sun
- 10. An imaginary line through the center of an object