Across
- 2. a flaming ball of gas
- 4. everything in the universe, including planets, stars, moons, comets, and asteroids
- 7. a tool used to explore space and take pictures
- 8. eight planets orbiting the Sun including the planet Earth
Down
- 1. a large, round object that circles a star
- 2. a suit that covers the body and keeps space explorers alive
- 3. a tool used to make far-away things look bigger and closer
- 5. a person who travels to places where no one has been before
- 6. the path an object takes around a larger object
- 9. a large, natural object that travels around a planet