http://www.freerepublic.com/tag/lunarimpact/index
Red Planet’s Ancient Equator Located
http://www.freerepublic.com/focus/chat/1390424/posts
Mars apparently revolves on an unstable axis. They say this is what will ultimately happen with Earth once the Moon drifts far enough away. The Moon helps keep our 23.5 degree tilt angle stable. And it's slowly leaving us, at the rate of about 2 inches per year.