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.
Mercury is earths brother planet because Venus is earths sister 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 is the fourth closest planet to the sun, after Earth, but before the asteroid belt (which comes before Jupiter). Mars is 227,936,640 km (141,633,263 miles) from the sun on average, around 1.5 times the Earth to sun distance. Mars is the furthest of the four inner, terrestrial planets from the sun.
mars
it is 38% of earths gravity. Fun fact- Jupiter is the biggest planet in the solar system YAY