Across
- 2. how many stars exist
- 3. more than sand on earth
- 6. the only bird that fly backwards
- 7. the answer to the hardest riddle in the world
Down
- 1. the degree of the hottest planet in our ss
- 3. one hour on Earth is equivalent too
- 4. the animal that dosen't have a brain
- 5. normally in america (tree)