Across
- 2. Orbits the earth
- 5. Instrument to see planets and stars
- 8. People who travel to space
- 11. What the sun is
- 12. Largest planet in our solar system
Down
- 1. One of the two moons of Mars
- 2. Smallest planet
- 3. The weather in space
- 4. The other moon of Mars
- 6. What you can do in a space suit
- 7. Red planet
- 9. Planet with rings
- 10. Nearest star to earth