Earth is the biggest.
Yes
It is average, after the earth
Mars
uranus
The biggest moon of Mars is called Phobos. It is also one of the two moons of Mars, with the other being Deimos.
Mars is the fourth planet from the Sun in our solar system, so it's not the biggest, second biggest, or third biggest planet. The biggest planet is Jupiter, followed by Saturn (second biggest), and then Uranus and Neptune (third and fourth biggest respectively), before we get to Mars.
Mars one
Mars
There are no rivers on mars. It is a completely life-less planet.
Mars has the biggest volcano named Olympus Mons.
mercury is smallest and Jupiter is biggest.
Mars
mars
Mars.
As of June 2014, Mars is the seventh biggest planet in the universe. The sie Mars is approximately 53% the size of the Earth.
Earth > Venus > Mercury > Mars