Across
- 2. Mercury has a very _____ year.
- 4. _______was named after the speedy messenger of the Roman gods.
- 7. Mercury's appearance is very similar to our ____.
- 9. Mercury does not have enough _______ to support an atmosphere.
- 10. space probes show mercury having craters & _____.
- 11. A mercury year has only___-_____-____ Mercury days.
- 12. Mercury has __ moons.
- 13. Mercury rotates very ______.
- 14. Mercury has a similar magnetic field to that of _____'_.
Down
- 1. it's ____-________ and closeness to the sun causes its surface temperature.
- 3. Mercury supposedly has an all ______ core.
- 5. Mercury is ________ the planet in the solar system.
- 6. Mercury's orbit is _________ more than others.
- 8. Mercury's magnetic field is only ___-________ about as strong as earths.