Across
- 1. earth is in _____ around the sun
- 3. a large body of matter
- 5. the resistance to change in motion
- 9. a unit of measurement we use in space
- 10. a giant cloud of dust
- 11. A famous astronomer
- 12. the closest star to earth
- 15. an element that makes up an star
- 16. the brightest star we can see
- 17. our sun is this
- 19. our galaxy
- 21. stars that make up a shape in the sky
- 22. this pulls us all down
Down
- 2. something that orbits earth with people living inside
- 4. a region in the solar system that includes pluto
- 6. an hour and a half
- 7. something we send into space
- 8. not even light can escape
- 13. the milky way is an example of this
- 14. Greek princess who was saved by perseus
- 18. what earth is
- 20. the planet in which we exit on
- 23. the farthest man-made object in space