Similarities: - rocky planets in elliptical orbits - rotate at similar speed, day length is almost the same - frozen poles (water on Earth CO2 on Mars) - both have gaseous atmospheres - both have...
It is red, it has two moons plus there is less gravity.
mars is closer to the sun than the earth so it will complete it cycle around the sun quicker.
Gravity, Heat differential, Density and life.
It have two moons
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