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Author Topic: Venus Mysteries Blamed on Colossal Collision  (Read 1285 times)
Phoenix
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« Topic Start: February 28, 2008, 09:41:52 pm »

Venus is made of the same stuff of Earth, but is bone-dry, hot enough to melt lead and has a chokingly thick atmosphere. It even spins backwards.

Astronomers have spent decades trying to explain Venus' mysterious properties. Now one scientist thinks the planet's formation may explain all: Two huge, protoplanetary bodies collided head-on and merged to form our planetary neighbor, but obliterated nearly all water in the process.

http://www.space.com/scienceastronomy/080228-venus-collision.html
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Phoenix
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« Reply #1: March 02, 2008, 04:58:19 pm »

Owens and other scientists argue that at 836 degrees F (447 degrees C), Venus' surface would have instantly baked water into vapor and pushed it into the upper atmosphere

Venus has an atmospheric pressure of 80 bars, and unless my vapor pressure calculations are way off, water should behave in a fairly earth-like manner at those temperatures
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