Across
- 2. ____ is the closest planet to Mercury
- 5. one thing this planet cannot have due to no water, food and oxygen
- 6. Mercuries core is made out of ____.
- 8. Mercury is the smallest planet in the ________.
- 10. This planet has no _____.
Down
- 1. What this crossword is
- 2. A probe that went to mercury
- 3. ______ cannot live on Mercury
- 4. one of the rockets that went up to space
- 7. Mercury is ____.
- 9. Mercury is named after a ___.
- 11. The closest star to the planet