Across
- 4. volcano is the tallest in our solar system.
- 5. The duration for which dust storms can cover the entire planet
- 6. These are found at the poles of Mars and are made of ice
- 8. The percentage of carbon dioxide in Mars’ atmosphere
Down
- 1. The primary gas in Mars’ atmosphere
- 2. The substance that gives Mars its reddish appearance
- 3. A massive canyon system on Mars, much larger than the Grand Canyon
- 7. Mars is often called this due to its reddish color