How did Venus get to be one of the driest, hottest, and most mysterious planets? Astronomers now think they have a plausible explanation that stems from the planets beginning formation. The mysterious properties of our neighboring planet, are believed to have resulted, in part, from two huge, protoplanetary bodies which collided head-on and merged to form our planetary neighbor, but obliterated nearly all water in the process. Leaving the planet hot, and bone dry."The probability that two protoplanets collided to form Venus is not at all implausible," said John Huw Davies, a geodynamicist at Cardiff University in the U.K. who developed the idea.
A majority of scientists think Earth's moon formed when a protoplanet about the size of Mars smacked into the planet at an angle. Davies thinks Venus was born of a far worse cosmic train wreck.
More here: http://news.yahoo.com/s/space/20080228/sc_space/venusmysteriesblamedoncolossalcollision
-Ryan
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