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On June 5 and 6, 2012 the planet Venus will pass in front of the Sun for the last time this century. Millions around the world will witness this rare astronomical phenomenon.
This website is entirely devoted to the transit of Venus: its history, where and when you should watch it and what you can do to get involved in the observation. Learn more...
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Tag Archives: rotation
Lionel asks: Congratulations on your Venus book. Excellent. I notice that there is a 243 year cycle for Transits of Venus: 243 x 365.242 = 224.7 x 395 So far so good. The axial rotation period for Venus is 243.1 … Continue reading




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