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Chasing Venus: Observing the Transits of Venus, 1631-2004
This exhibit provides background information and history of transits of Venus, the astronomical events where "the planet Venus passes directly between Earth and the Sun, appearing as a small black dot on the Sun's disk." Features details about seven past transits of Venus (1631, 1639, 1761, 1769, 1874, 1882, 2004), and the upcoming transit in 2012. Includes links to related sites. From the Smithsonian Institution Libraries.
http://www.sil.si.edu/exhibitions/chasing-venus/

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