Mars/The Red Planet
It is the fourth planet in order of distance from the sun and seventh in order of diminishing size and mass. It orbits the sun once in 687 Earth days and spins on its axis once every 24 hours and 37 minutes. Mars moves around the sun at a mean distance of approximately 1.52times that of the Earth from the sun. Mars completes two. At its closest approach. Mars is less than 56 million km from the Earth, but it recedes to almost 400 million km. Mars is a small planet. Its equatorial radius is about the terrestrial value. Mars has four times less surface area than the Earth. The planet has two satellites named Phobos and Deimos.