SI
SI
discoversearch

We've detected that you're using an ad content blocking browser plug-in or feature. Ads provide a critical source of revenue to the continued operation of Silicon Investor.  We ask that you disable ad blocking while on Silicon Investor in the best interests of our community.  If you are not using an ad blocker but are still receiving this message, make sure your browser's tracking protection is set to the 'standard' level.
Pastimes : Let’s Talk About Our Feelings about the Let’s Talk About Our -- Ignore unavailable to you. Want to Upgrade?


To: Tom Clarke who wrote (5278)12/3/2011 10:16:42 AM
From: DMaA  Respond to of 5290
 
The favorite theory today is that Earth collided with a planetoids about the size of Mars. The material from the mantle of both bodies coalesced into the moon. The iron core of the planetoid merged with Earth's. Earth has a much larger core then any of the other rocky planets.