mars is smaller than the earth by quite a bit, but larger than the moon too. The planet's diameter is just over half that of the earth, at around 6800 km to the earth's 12700 km, and the its planetary mass is significantly smaller, measuring .65X10P24kg versus the earth's mass of 6X10P24kg.
It also has marsians who lives their in mars............... .,+''+-.,_.,-+''+., '+ + ' "+-..,_,..-+''
Jupiter's largest moon, Ganymede, is as big as the planet Mercury.
The Big Red Planet?!
Your big fat head stupid
Mars is the fourth planet from the Sun and has a diameter of about 6,779 kilometers, making it roughly half the size of Earth.
The planet you are referring to is Mars. It is often called the "Red Planet" due to its reddish color, caused by iron oxide (rust) in its soil. Mars is considered a "dead" planet because it lacks active tectonic and volcanic processes, and its atmosphere is thin and unable to support life as we know it.
Mars is 668769 in km and in miles its 34655 m
The planet Mars has a diameter of about 4,196 miles (6,752 km) from pole to pole. It is the second smallest planet in the solar system, with Mercury being the smallest. Relatively speaking, it is about half the size of Earth.
Earth is much bigger than Mars Earth's diamater is 12,756km, while Mars' diamater is 6,787kmEarth
Mars is an inner planet.
Mars IS a rocky planet
Planet mars was named after the god of war mars.