Across
- 3. this is a space probe
- 6. also known as the ISS
- 7. the amount of matter an object contains
- 8. the most abundant element
- 11. the planet we live on
- 13. a cloud of gas and dust in outer space
- 14. also known as the north star
- 16. the objects tendency to resist in motion
- 17. a big hole that is causes by planets exploding
- 18. what makes us stay on the ground
- 21. the distance that light travels in one year
Down
- 1. this is how lang it takes satellites to orbit are earth
- 2. the big dipper is an example of one of these
- 4. a region in outerspace beyond the orbut of neptune
- 5. refers to a constellation
- 8. makes space telescopes
- 9. what we use to see what is in space
- 10. the galaxy we live in
- 12. the closest star to planet earth
- 15. what are planet earth is doing right now
- 18. the milky way is an example of this
- 19. the earth is one of these
- 20. are sun is a medium size of this