Size comparison between the Earth and Mars

Here is a picture to compare the size of the Earth with the one of Mars.

DetailsEarthMars
Diameter12 742 km6 779 km
Period revolution365 days686 jours
Mass5,97×10^24 kg0,64×10^24 kg
Surface gravity9,8 m/s2 (1 g)3,7 m/s2 (0,379 g)
Rotation speed1 674 km/h868 km/h
Average temperature15°C-63°C
Chimical composition32% iron, 30% oxygene, 15% silicon, 14% magnesium, 3% sulfur, 2% nickel, 2% calcium.Silicon, iron, magnesium, aluminium, sulfur, calcium, titanium.
Atmospheric pression101 325 kPa610 kPa
Atmosphere composition78% nitrogen, 21% oxygene, 1% argon.96% carbon dioxide, 2% argon, 2% nitrogen.
Highest mountainMount Everest 8,8 kmMons Olympus 21,2 km
Deepest basinMariannes -10,2 kmHellas Planitia -8,2 km

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