Did A Mega-collision Alter Venus?

ScienceDaily (Feb. 27, 2008) — A mega-collision between two large embryonic planets could have created Venus as we know it, according to a new paper by a Cardiff University scientist.

Venus is a sister planet to Earth. It is nearly the same size and density yet it has a surface temperature of 720 K, an atmosphere dominated by carbon dioxide and no evidence of oceans or ridges. It has been described as “Earth’s evil twin”.

For Full Article: http://www.sciencedaily.com/releases/2008/02/080226160017.htm