Across
- 2. Which is the closest star to our Sun?
- 4. What has a gravitational pull so strong that even light cannot escape it?
- 6. Which planet has the Great Red Spot?
- 9. What is the term for a natural satellite?
- 10. Which is the most dense planet?
- 11. The moon called Titan orbits which planet?
Down
- 1. Which is the brightest comet in the solar system?
- 3. Which planet has a day which lasts eight months?
- 5. Which galaxy is closest to our galaxy?
- 7. Which planet has no moon?
- 8. Which type of animal was the first living creature in space?