Across
- 5. A planet that orbits a star outside our solar system.
- 7. A natural satellite that orbits a planet.
- 9. A space rock that burns up in Earth's atmosphere, often called a "shooting star."
- 10. A large celestial body that orbits a star, like Earth or Mars.
Down
- 1. A region of space where gravity is so strong that nothing, not even light, can escape.
- 2. A vehicle that propels astronauts and satellites into space.
- 3. The star at the center of our solar system.
- 4. The second planet from the Sun, often called Earth's "twin."
- 6. When one celestial body moves into the shadow of another, blocking its light.
- 8. A special outfit that protects astronauts in the vacuum of space.
