Across
- 3. Large balls of hot gas that gives off light and heat
- 4. The galaxy that contains our Solar System
- 6. The force that pulls objects toward each other
- 8. A scientist who studies space
Down
- 1. A pattern of stars in the sky
- 2. A huge system of stars, gas, and dust held together by gravity
- 5. The name of our galaxy’s shape (it has curved arms)
- 7. The path a planet follows around the Sun