Across
- 2. - A natural satellite of Earth.
- 4. - A small rocky body orbiting the sun.
- 5. - A large body orbiting a star.
- 6. - A vehicle used to travel to space.
- 9. - A man-made object orbiting Earth.
Down
- 1. - An icy body with a glowing tail in space.
- 3. - A huge collection of stars and planets.
- 4. - A person who travels in space.
- 7. - An instrument for observing space.
- 8. - Massive balls of gas emitting light.