Across
- 5. studying space
- 9. a drrawing of an object or area
- 12. a force pulling matter together
- 14. the element in the sun
- 17. when one body make another body in space dark
- 18. a cloud of gas that makes a star
- 20. thing that orbits stars
- 21. the streak of light caused when entering the atmosphere
- 23. path of a celestial body
- 25. particles of matter floating through space
- 26. a object made of ice that when near the sun gets a "tail"
- 27. all of space
Down
- 1. a sort of bubble around a planet
- 2. a mission in space without humans
- 3. energy or particles let off by stars
- 4. an imaginary straight line which an object rotates on
- 6. the thing that comes out of nebulas
- 7. to travel around an object you _____ it
- 8. a massive system in the universe
- 10. the distance light travels in a year
- 11. a regular predictable and often repeating group of elements
- 13. a group of stars
- 15. a kind of spacecraft
- 16. stinky gas
- 19. a spacecraft monitoring a planet
- 22. a group of interacting elements
- 24. a rock floating through space