Across
- 2. What is made when a meteorite or astroid crashes into a surface
- 5. The last rover sent to mars
- 6. A dwarf planet that used to be considered a real planet
- 7. The program that took the first man to the moon
Down
- 1. A twin sister
- 2. An object made of ice and dust that commonly has a tail
- 3. A thing that never ends
- 4. A small rocky object that orbits the sun
- 8. The other twin sister