Wednesday, May 30, 2012

Crunching Numbers, 105

The number of years you will have to wait to see the next transit of Venus, if you miss the upcoming one next month

["Numbers rule the universe," Greek philosopher and mathematician Pythagoras said. For the month of May, 13.7 Billion Years will reprise the theme from September 2010, presenting a new number to think about each weekday with the series Crunching Numbers.]


For sky-watchers, the so-called "transit of Venus" (June 5-6, 2012) is one of the 21st century's main events.

The exceedingly rare phenomenon—in which the planet Venus passes directly between the Sun and Earth and becoming visible against the solar disk—will not occur again until December 10, 2117.

The Exploratorium website will have a webcast of the Transit of Venus, featuring a telescope feed and audio commentary every 30 minutes, beginning June 5 at 22:00 UT.

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image: Transit of Venus, June 8, 2004. (credit: Jan Herold, Wikimedia Commons)

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