Across
- 2. astronomical distance
- 3. can either be a stellar or planetary of these
- 4. what is the _______ space station
- 7. the planet you live on
- 9. the milky way is a what?
- 10. group of stars to make something recognizable
- 12. what light can't even escape
- 13. gas needed to make a star
- 15. next closest galaxy to ours
- 17. iss goes around our planet in what time
- 19. what thing other than distance is needed for gravity?
- 20. the brightest star in the night sky
- 21. what makes planets go around the sun
Down
- 1. what does the iss stand for
- 5. what galaxy is above us at night
- 6. what was launched in 1977?
- 8. earth is a what?
- 11. brightest star in the southern constellation
- 14. what holds you down on a planet
- 16. what thing makes gps capable
- 18. our sun is a what?