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Reply #1: Where in that timeline would "Earth Mk I" have been destroyed? [View All]

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htuttle

(1000+ posts) Send PM | Profile | Ignore

Thu Aug-03-06 06:27 PM
Response to Original message

1. Where in that timeline would "Earth Mk I" have been destroyed?

If the latest, best theory on the origin of the Moon holds true, then the 'first Earth' that formed in this orbit was destroyed (or 'remelted') in a collision with another planetoid, with our current Earth and Moon forming as the result.

I thought that resulted in our 'losing' about a billion years of time for evolution since the creation of our current Sun, which I thought was something like 4-5 billion years ago. But that doesn't seem to leave enough time for all this to happen.

I'm confused. :dunce:

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