Across
- 3. shuttle that is the farthest out into space
- 6. man-made satellite that humans occupy
- 7. measured in kilograms
- 8. first element on the periodic table
- 11. third planet in the solar system
- 13. space cloud
- 14. space x program
- 16. newtons first law
- 17. has lots of mass packed into a tiny space, and sucks up anything that enters its event horizon
- 18. on earth it's 9.8m/s
- 21. distance that takes one year for light to traverse
Down
- 1. how long does it take for the ISS to orbit earth?
- 2. collection of stars that seem to make a shape in the sky
- 4. outer belt of asteroids
- 5. nearest galaxy to the milky way
- 8. is one of the man-made satellites of Earth and is a telescope
- 9. some kind of object that orbits another object in space
- 10. the galaxy in which Earth resides
- 12. nearest star to the solar system other than the sun
- 15. what the moon does to the earth
- 18. large collection of mass in a concentrated space
- 19. large space sphere object that isn't a star or black hole
- 20. the sun