Did a “Big Bang” in Our Solar System Create Venus as We Know It?
J. Huw Davies of the University of Cardiff in the UK, has posited that a collision of two embryonic planets may have crashed together to form what we now know as Venus -a planet almost devoid of water, an extreme greenhouse atmosphere, and a relatively smooth surface.
Not a new theory, a Venus impact scenario had been ruled out due to a lack of debris left behind; ie, a moon. However Davies believes that in the case of Venus’ collision, there would have been no fragments left behind. In fact, he believes that two smaller-sized planet embryos coming together in such a collision would simply fuse together to form a larger planet.
(Venus also spins backward. ie clockwise.)
Entry filed under: Astronomy Notes on the Web.