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Author Topic:   The astronomical impact on terrestrial evolution
slevesque
Member (Idle past 4640 days)
Posts: 1456
Joined: 05-14-2009


Message 6 of 15 (541316)
01-02-2010 1:50 PM
Reply to: Message 4 by Briterican
01-02-2010 7:54 AM


Re: How important are the seasons, and the moon?
Aren't lunar tides supposed to have helped the mixing of the primordial soup to help abiogenesis ? I think I remember my astrophysics teacher saying something like that. Although it's not a clear memory at all so I may be wrong.
Also, while reading your OP I did find that the ''overwhelming evidence fore multiple collisions that caused mass extinctions'' was a bit of elephant hurling, since the most supported one (dinosaur extinction) is still a pretty controversial theory in the scientific community. Never mind all the others. I couldn't say that any have overwhelming evidence.

This message is a reply to:
 Message 4 by Briterican, posted 01-02-2010 7:54 AM Briterican has replied

Replies to this message:
 Message 7 by Iblis, posted 01-02-2010 2:07 PM slevesque has replied
 Message 10 by Briterican, posted 01-02-2010 4:46 PM slevesque has not replied

  
slevesque
Member (Idle past 4640 days)
Posts: 1456
Joined: 05-14-2009


Message 9 of 15 (541341)
01-02-2010 4:25 PM
Reply to: Message 7 by Iblis
01-02-2010 2:07 PM


Re: The Big Smack
Yeah I'm familiar with this. But my remark wasn't solely about this, it was about the fact that briterican was referring to multiple impacts that caused multiple extinctions, and that there was overwhelming evidence for this. It's pretty much a detail in the overall picture of his OP, but I figured I'd pick it up and mention it since his thread wasn't being discussed a lot.
Now, in the case of the dinosaur extinction is one of the few (if not the only one) who could be said to have ''overwhelming evidence', although it would be quite an exageration in my opinion. We could discuss this particular case in this thread if Briterican doesn't mind.

This message is a reply to:
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Replies to this message:
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