Mars and Venus are two celestial bodies in our Solar System. Mars is the fourth planet from the Sun and is known as the Red Planet due to its reddish hue. Venus is the second planet from the Sun and is often referred to as Earth's twin due to its similar size and mass. The crossword solutions for Mars and Venus are ORBS (4 letters) and GODS (4 letters). ORBS refers to the two planets, which are round in shape and orbit the Sun. GODS refers to the Roman GODS associated with the two planets. Mars was named after the god of war, while Venus was named after the goddess of love and beauty.