Across
- 3. What is the gravity on Mars (in m/s2)?
- 5. Which country went to Mars first?
- 6. What liquid have we found on Mars?
- 7. How far is Mars from Earth?
- 8. How many moons does Mars have?
Down
- 1. How close is Mars from Earth?
- 2. How long is a day on Mars (in hours)?
- 4. How long does it take to get to Mars?