Across
- 2. Smallest planet in our 'updated' solar system
- 4. The idea that planets orbit around the sun
- 7. One day on this planet equals 17.24 earth hours
- 9. The planet that has rings around it
- 11. Invented the telescope and proved that the heavens are not perfect
Down
- 1. Has the shortest day
- 2. The galaxy that contains our solar system
- 3. The hottest planet
- 5. Proposed the idea of the sun-centered model
- 6. The coldest planet
- 8. After earth it is the most habitable planet
- 10. National Aeronautics and Space Administration