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Old 03-04-2012, 11:57 PM   #39
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Lightbulb Transits of planets from Pallas

Pallas, formally designated 2 Pallas, is the second asteroid to have been discovered (after Ceres), and one of the largest.

From Pallas, Mercury, Venus, Mars, and the Earth can occasionally appear to transit, or pass in front of, the Sun. The Earth last did so in 1968 and 1998, and will next transit in 2224. Mercury did in October 2009. The last and next by Venus are in 1677 and 2123, and for Mars they are in 1597 and 2759...

Pallas has not been visited by spacecraft, but if the Dawn probe is successful in studying 4 Vesta and 1 Ceres, and if sufficient fuel remains, it is possible its mission may be extended to include a flyby of Pallas as Pallas crosses the ecliptic in 2018. However, due to the high orbital inclination of Pallas, it will not be possible for Dawn to enter orbit...
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