Mars is red because it is rusty. It also has a lot of iron under the soil. This planet is named after the Roman God of wars.
The air down at mars turned it red just like rust iron down at earth.
One of mars moon Phobos is moving closer and closer to mars and that makes scientist think that one day they would both crash into each other.
Mars also has the tallest volcano through out the whole solar system. It is also 15 miles higher than Mt Everest.
Like Earth, the poles on mars are covered in ice, and at winter it turns even thicker.
At Mars the Martin day is half an hour longer than earth.
100 pound man on earth could even be 38 pounds at mars.