Venus is the second planet in the solar system in terms of distance from the Sun. This terrestrial planet is often referred to as the "sister planet" of the Earth , because of the great similarities between the Earth and Venus in structural elements and behavior. This planet is also called Lucifer or Satan when it rises in the sky of the earth in the morning. In Bengal it is called Shukatara in the morning sky and Sandhyatara in the evening sky. It has no satellite.