The fourth planet from the sun and the origin of the word Tuesday. The Roman God of war, Mars, was translated as Tiw in the old English which is the origin of the word Tuesday.
Mars is the second smallest planet in our solar system, second to Mercury. It is home to the tallest mountain in the solar system, Olympus Mons. The earliest records of Mars are from around 2000 BCE with many records focusing on the distinctive red colour.Mars has two moons, Phobos and Deimos, named after the twin sons of Area (Mars) and Aphrodite (Venus) in Greek mythology.