Across
- 2. planet pluto is a
- 5. the number of moons in our solar system
- 6. the sound in space
- 9. the big dipper, southern cross etc
- 10. planet furthest planet from the sun
Down
- 1. titan orbits this planet
- 3. how long it takes for the moon to orbit earth
- 4. how many moons earth has
- 7. the only known planet with life
- 8. this planet has the most volcanoes