The Fourth planet from the sun in the solar system is

The fourth planet from the sun in the solar system is Mars. Mars is commonly known as the Red Planet due to its reddish appearance from Earth. It is named after the Roman god of war, likely because of its reddish color, which is reminiscent of blood. Mars is also known for having the largest volcano and the deepest canyon in the solar system. Its atmosphere is composed primarily of carbon dioxide, and it is considered a possible location for future human exploration and colonization.