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In one of the rarest celestial phenomena, Planet Venus moved across the face of the Sun as viewed from Earth on June 5 & 6, 2012. A Venus transit of the sun is a very rare astronomical event and the next transit is not likely to be seen in the next 105 years.

A Venus transit of the Sun occurs when the Sun, Venus, and Earth fall on a straight line. Venus transits occur in pairs in which each appearance is eight years apart. The previous transit was visible from Earth in June 2004. The last pair of the transits of Venus took place on December 9, 1874 and December 6, 1882. The next pair of transits is likely to occur on December 10-11, 2117 and in December 2125.

Venus was visible as a prominent black speck trailing a slow course across the sun. In north and Central America, and the northern tips of South America, observers saw the event start before sunset. In northwest America, the Arctic, the western Pacific, and East Asia observers witnessed the entire event and those from Europe, the Middle East, and eastern Africa could see the closing stages of the transit at sunrise.

The US space agency, NASA's, Solar Dynamics Observatory, studies the Sun from 36,000 km above the Earth. NASA provided some spectacular images of the phenomenon and the agency's video recording was viewed by millions across the world. Many universities and citizens' groups set up observation centers to witness the event firsthand.
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