Across
- 2. orbits a galactic center
- 5. a celestial body once it has crashed into the ground
- 7. the largest planet in our solar system
- 8. the closest planet to our Sun
- 10. the planet with the most famous rings
- 11. the elliptical movement of one celestial body around another
- 12. has a toxic atmosphere and extreme surface temperature
- 17. what happens when a massive star finally dies
- 20. ___________ space station
Down
- 1. gravity is so strong here that light cannot escape
- 3. a celestial body before it hits the atmosphere
- 4. the process powering a star
- 6. a moon orbiting Jupiter, a future potential home
- 9. the largest asteroid in our solar system
- 13. a star nursery
- 14. orbits a star
- 15. orbits a planet
- 16. a collection of hundreds of thousands of stars
- 18. known as the red planet
- 19. orbits a star, has a long tail