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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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Size

  • Smaller than Earth

  • 8 Mars would fit inside the Earth!


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Days and Years

  • One Earth day is 23 hrs and 56 min

  • One Earth year is 365 days


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Days and Years

  • One martian day is 24 hours and 37 minutes

  • One martian year is 686 earth days, almost two Earth years


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Seasons

  • Like Earth, Mars tilts

  • This tilt causes seasons



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Deimos – 39 km (24 miles)

Phobos – 69 km (43 miles)



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Mars is Farther Away

  • Earth is 93 million miles from the Sun

  • Mars is 140 million miles from the Sun


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Mars is Cold

  • High = 40F

  • Low = -195F


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Earth is Warm

  • High = 136° F

  • Low = -128° F


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Atmosphere

  • Very thin atmosphere

  • Mainly carbon dioxide

  • No oxygen


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Atmosphere

  • Thick

  • Mainly nitrogen and oxygen

  • Small amounts of carbon dioxide


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Mars is Dry

  • No lakes, rivers, or oceans



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