Across
- 2. A cloud of gas and dust in space where stars are born.
- 5. A small rocky body that orbits the Sun.
- 6. The path an object takes as it moves around a planet or star.
- 8. A glowing ball of gas in space.
- 9. A vehicle used to travel to space.
Down
- 1. A large group of stars, gas, and dust.
- 3. A piece of rock or metal that burns up in Earth's atmosphere.
- 4. A small icy body that orbits the Sun.
- 7. Hole A region in space where gravity is so strong that not even light can escape.
- 8. An object that orbits a planet.