The Red Planet

Mars is the fourth planet from the Sun and the second smallest planet in the Solar System. It is often called the “Red Planet” because of the iron oxide present on its surface, which gives it a reddish appearance. It has a thin atmosphere and surface features similar to those of the Moon’s impact craters,…

What Are the Similarities and Differences Between the Planets?

Venus is a rocky planet with an extremely dense atmosphere that heats up as a result of a “runaway” greenhouse effect. This explains why Venus’s surface temperature is so much higher than Earth’s. Mars is a planet with an extremely thin atmosphere that does not warm up as much. This explains why Mars’s average surface…