Across
- 5. Celestial bodies orbiting a star.
- 6. A large, bowl-shaped cavity on a celestial body.
- 9. A small rocky body orbiting the Sun.
- 10. The planet known for its beautiful rings.
Down
- 1. The hottest planet in our solar system.
- 2. A massive system of stars, stellar remnants, and dark matter.
- 3. An instrument to observe distant objects.
- 4. A robotic vehicle designed to explore the surface of another planet.
- 7. The Red Planet.
- 8. Earth's natural satellite.