Across
- 2. a big piece of rock that floats around space, can be lethal if it hits a planet
- 5. a planet in our solar system which has a giant ring around it
- 8. a big rock that orbits the earth
- 11. A thing used to study space while on earth
- 12. A place of space where different groups of planets are (e.g. earth, the sun, mars, ect)
- 13. A giant ball of fire in our solar system
- 14. the thing that protects the earth, anything that comes past it burns up in to nothing (normally)
Down
- 1. The farthest planet from the sun
- 3. the biggest planet in our solar system
- 4. the only way to get past the earth's atmosphere
- 6. a person who goes to space
- 7. a thing that sucks things into it, never to be seen again
- 9. the closest planet to the sun (in our solar system)
- 10. A dwarf planet which is in the far reaches of our solar system