Across
- 3. a group of dusts and gas
- 6. the moon is a natural ________
- 10. an objects resistance to movement
- 11. first element on the periodic table
- 13. one of the zodiacs,represented as a crab
- 14. the Earth's _____ is around the sun
- 18. also known as the North star
- 19. a hot ball of gas
- 20. a space probe that was designed to go all the way to saturn
- 22. the closest star to the earth,not counting the sun
- 25. a piece of debris floating through space
- 26. milkyway,Andromeda,etc.
- 27. the "ninth" planet
Down
- 1. the earth is a ______
- 2. a red giant that is about 1400 times bigger than our sun,named after a famous band member
- 4. this satellite is constantly manned and is the biggest man-made thing around the earth
- 5. a belt looking ring orbiting our sun full of millions of asteroids
- 7. the closest galaxy to our own
- 8. the density of an object
- 9. the earths only natural satellite
- 12. the time it takes the ISS to orbit around the earth once
- 15. this object has the strongest gravitational pull ever
- 16. a group of stars used to imagine a shape or thing
- 17. the galaxy we live in
- 21. this is an invisible force the holds things down
- 23. a telescope that was sent to space
- 24. the only planet in our solar system that can sustain life
- 28. a measurement for extremely large distances
