Quote:
Originally Posted by G O R T
Mars sized, not moon sized.
10%-12% additional core, some additional mantle, the Moon, and a fair amount of lost debris would result.
|
This raises the question, where is the lost debris? I would guess that, being in a similar orbit, much of it would have re-impacted at a later date, but might some of it be preserved in the form of Earth Trojans, the Asteroid Belt, or NEOs? It would be a marvelous thing to study, I would think.