Today is the day of Transit of Venus 2012. The planet Venus passes between the Earth and the Sun. However,it was only visible as a spot . I have found out some stuff regarding this phenomenon and will be sharing it. There are two transits every century. Transit of Venus 2012 was the last transit of this century. The previous one occred in 2004. After 2012, the next transits of Venus will be in December 2117 and December 2125. The pattern of occurrence 105.5 ,8,121.5,8. The total cycle is 243 years long.Ancient Indian,Greek,Mayan,Babylonian and Chinese observers knew of Venus. However there are no mentions of transits. Johannes Kepler was the first person to predict a transit,which was the 1631 transit. However,the scientific observation was made in the next transit in 1639 by Jermiah Horrocks.
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