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It’s un­in­hab­it­able but sci­en­tists be­lieve the Red Planet is the best op­tion for pos­si­ble hu­man coloni­sa­tion.

Size At 6 792km in di­am­e­ter, it’s about half the size of Earth (12 756 km).

At­mos­phere Earth’s at­mos­phere (78% ni­tro­gen, 21% oxy­gen) is more than 100 times denser than Mars’ at­mos­phere, which con­sists of about 96% car­bon diox­ide.

Tem­per­a­ture The av­er­age is -63ºC (com­pared with Earth at 14ºC).

Mars so­lar year Equal to 687 days on Earth.

Grav­ity and weight On Mars you’d ex­pe­ri­ence 62,5% less grav­ity than on Earth. For ex­am­ple, if you weigh 68kg, you’ll weigh only 26kg on Mars (mul­ti­ply your weight by 0,38).

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