Across
- 5. the milky way is one
- 8. abbr. for International Space __
- 10. the blanket that covers the earth
- 12. the star that the planets in the solar system orbit
- 13. the first element in the periodic table
- 14. our planet
- 17. made up of atoms
- 19. a man in space is called
- 20. your __ won't change even if you're on different planets
- 22. how we get into space
- 23. the topic of this crossword
- 24. one of the 4 main classes that covers space as a subject
- 25. hole a space "vacuum"
Down
- 1. the force that controls most objects in space
- 2. a group of stars
- 3. how the universe was made
- 4. what we call life in space
- 6. molecules are made up of these
- 7. a small rocky body, is part of the __ belt
- 9. endless...
- 11. earth is a __
- 15. used to observe stars
- 16. what orbits the earth?
- 18. an object made of ice and dust
- 21. the largest planet in the solar system
- 24. go outside and look up into the blue __