Venus in the skyVenus has been forever attracting - some time before dawn and sometime after dusk. It is the most beautiful glowing object that adorns the sky and greets many mornings and evenings. Even when it is temporarily eclipsed, for a few days, on being close to Sun, its radiating shine survives in the mind. The switch over from dawn to dusk and temporary fading happens in phases, cyclically. This gives it a character and makes Venus beautifully unique. Venus retrogrades once in 21 months. Its sidereal period ( the revolution time with reference to a fixed point in the zodiac is of 224.7 days and itsmean synodic period (thetime that elapses between two successive conjunctions with the SunEarth line in the same linear order) is of 583.9 days