Across
- 2. system: The sun and the planets that move around it.
- 6. An instrument that allows you to see distant objects.
- 7. A small rocky body orbiting the sun.
- 9. Everything in space; all stars, Earth, and planets.
- 10. A mass of ice and dust with a bright tail moving around the sun.
- 11. Small, bright lights seen in the night sky.
Down
- 1. A vehicle used for traveling in space.
- 3. The large round object in the sky at night.
- 4. A large group of stars and planets in space.
- 5. A piece of rock or matter from space that hits Earth's surface.
- 8. A building where scientists watch stars and weather using special instruments.