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Size. Smaller than Earth 8 Mars would fit inside the Earth!. Days and Years. One Earth day is 23 hrs and 56 min One Earth year is 365 days. Days and Years. One martian day is 24 hours and 37 minutes One martian year is 686 earth days, almost two Earth years. Seasons.

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

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

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

  4. Seasons • Like Earth, Mars tilts • This tilt causes seasons

  5. 3500 km (2200 miles)

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

  7. Mars is the fourth planet from the Sun

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

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

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

  11. Atmosphere • Very thin atmosphere • Mainly carbon dioxide • No oxygen

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

  13. Mars is Dry • No lakes, rivers, or oceans

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

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