Photo in the News: First View of Mercury’s “Other Face”
http://news.nationalgeographic.com/news/2008/01/080116-mercury-first.html
...A team of scientists in Bern, Switzerland, decided to tackle the mystery. They ran a pair of extensive computer simulations to test the collision theory.
"You always try to prove an idea wrong. This work shows it could have happened in this way,'' said astronomer Jonti Horner, who will present his results tomorrow at a Royal Astronomical Society meeting in Leicester, England.
First, the scientists simulated the catastrophic collision of the young Mercury with a giant asteroid traveling at 16 miles (25 kilometers) a second...
(Mercury: Garbage In - Garbage Out?)