Across
- 2. A space explorer.
- 4. A very cold meteor.
- 7. A kind of star that explodes.
- 10. It floats around with Pluto and bashes in Neptune, and it is cold and hard.
- 12. A mysterious creature from outer space.
- 13. Something that sucks you into it.
- 14. It floats in a belt.
- 16. The Latin word for moon.
- 18. Everything including the Earth.
- 19. A collection of stars and planets that are held together by gravity.
- 20. It floats around the earth.
Down
- 1. Relating to the sun.
- 3. It´s made of stars and forms a picture.
- 5. The study of space.
- 6. The galaxy that contains our solar system.
- 8. It´s close to us, but has another sun.
- 9. A dead star that hasn´t turned a black hole.
- 11. It flies in space.
- 15. It´s smaller than Mars, but bigger than an asteroid.
- 17. Debris that floats in space.