Across
- 2. spacecraft to mercury
- 3. Mars has________ amount of volcanoes
- 5. known moons on Neptune
- 7. dwarf planets in our solar system
- 8. rovers active on Venus
Down
- 1. first man in space
- 4. Rovers that landed safe on Mars
- 5. Main rings on Saturn
- 6. first woman in space
- 7. Jupiters moons recognized by Galileo