3. Size Smaller than Earth 8 Mars would fit inside the Earth!

4. Days and Years One Earth day is 23 hrs and 56 min One Earth year is 365 days

5. Days and Years One martian day is 24 hours and 37 minutes One martian year is 686 earth days, almost two Earth years

6. Seasons Like Earth, Mars tilts This tilt causes seasons

7. 3500 km (2200 miles)

8. Deimos – 39 km (24 miles) Phobos – 69 km (43 miles)

9. Mars is the fourth planet from the Sun

10. Mars is Farther Away Earth is 93 million miles from the Sun Mars is 140 million miles from the Sun

11. Mars is Cold High = 40  F Low = -195  F

12. Earth is Warm High = 136° F Low = -128° F

13. Atmosphere Very thin atmosphere Mainly carbon dioxide No oxygen

14. Atmosphere Thick Mainly nitrogen and oxygen Small amounts of carbon dioxide

15. Mars is Dry No lakes, rivers, or oceans

16. Earth is Wet Earth has oceans, lakes and rivers.