Across
- 1. A region in space located beyond the orbit of neptune
- 3. The planet we live on
- 4. What the Earth does around the sun
- 5. The galaxy we currently are in
- 6. The amount of matter in an object
- 8. The tendency of an object to resist changes in its motion
- 9. What the Earth is
- 10. Telescope that starts with H
- 13. A cloud of gas or dust in space
- 14. A star system with 3 stars that is the closest stellar to us
- 17. A huge hot ball in space
- 18. A thing put in space to orbit Earth to send and receive information
- 20. A clump of stars that makes an image
- 22. Furthest man made object
Down
- 2. Largest space station build
- 7. Nearest major galaxy to ours
- 9. A program trying to make advancements in spaceflight
- 11. A area in space where gravity is so high that nothing can escape it
- 12. A force that attracts a body towards the center of Earth
- 15. Atomic number 1 in the periodic table
- 16. 1 Hour and 30 Minutes
- 19. The distance light travels in one year
- 21. A system of millions of stars