Well, we like to call it a sister planet, but yes - it is. Many scientists believe that mars used to look very similar to earth, and have evidence that it used to possess a similar atmosphere and a plentiful supply of water.
Maybe.
Mercury is earths brother planet because Venus is earths sister planet.
Mars is The Earth's brother planet
Mars
Is mars known as earths sister planet
half of earths size
Mars.
Mars and Venus and the moon.
The surface gravity on Mars is the weakest, it is 37.6% of Earths.
Mars is an inner terrestrial rocky planet. Though there is an atmosphere is is very thin compare to the earths.
Mars - the Roman god of war.
mars
No, Its gravity is much lower due to a lower overall mass of the planet. Mars' gravity is about 37.6% of the Earths.