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Re: (meteorobs) Pennsylvannia Impact
Lew Gramer recently wrote:
>This was a really intriguing reference, George. Do the authors of this paper
>propose which classes of comets (or even which specific formerly cometary
>bodies) may be responsible for these "asteroidal" chondritic debris? And in
>thinking about it, wouldn't the existence of such "chondritic comets" pose
>some problems for our current theories of the formation of comets - and even
>more general theories about the formation of planetary systems?
They may mention some NEOs, but I'm not sure as I don't have the paper here.
As for the existence of such "chondritic comets", I don't see why this is a
problem as we don't really know the real natural history of the early Solar
System, we have only theories, which may or may not be correct.
GWG
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