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.
3500 km (2200 miles)
Deimos – 39 km (24 miles)
Phobos – 69 km (43 miles)
Mars is the fourth planet from the Sun
Earth has oceans, lakes and rivers.