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Published on Jun 1, 2012
On 5th-6th June, it is your last chance to witness one of the rarest predictable events in astronomy - the planet Venus will pass across the face of the Sun. This event, called a transit, will not occur again until December 2117. Transits occur in pairs eight years apart, separated by 121.5 and 105.5 years. The contemporary footage and photos in this video were taken during the 2004 transit, which was best seen from Europe, Africa and Asia. The 2012 transit will be best seen from east Asia and Australasia, but it will be visible as the sun sets across the whole of North America, and as the sun rises in Europe. Venus will appear as a black dot on the Sun, and will take more than six and a half hours to cross the face. It will not cause noticable dimming of the Sun's light, so appropriate eye protection must be used while observing the transit, to prevent damage to the eyes.