Re: Life's origin

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Re: Life's origin

p — 6/15/2002 12:43:29 PM (archived)

Yes, I've read that. What's perplexing is that there was life and liquid oceans on Earth in the billions of years before that time. How could that be with the Sun's output markedly lower at that time? No adequate greenhouse model has yet been validated that covers this earlier warm period before the near total freezover.

The whole thread (18 posts)

Great Mars Debate as seen by Popular Science - Tom Brosz - 6/14/2002 11:47:01 AM
- Re: Life's origin - Raoul - 6/15/2002 9:29:06 AM
  - Re: Life's origin - p - 6/15/2002 12:43:29 PM
    - Re: Life's origin - Marcia - 6/15/2002 1:35:24 PM
      - Re: Life's origin - philw - 6/15/2002 2:44:57 PM
        
        An active Earth's hot core/mantle and greenhouse gases could keep things pretty warm. n/t - Marcia - 6/15/2002 3:53:56 PM
        
        Re: An active Earth's hot core/mantle and greenhouse gases could keep things pretty warm. n/t - Nick Hoffman - 6/15/2002 4:13:27 PM
        
        Earth's cycles. - Marcia - 6/16/2002 4:25:31 PM
        
        What about that study which indicates that if the axis tilt was more pronouned - ebnelson - 6/15/2002 4:20:53 PM
        
        Yes, but... - Nick Hoffman - 6/16/2002 10:28:55 AM
        
        I love collecting jargon. - ebnelson - 6/16/2002 3:12:39 PM
- Kargel has the right idea. n/t (n/t) - Marcia - 6/14/2002 12:27:32 PM
  - Re: Kargel has the right idea. n/t - Nick Hoffman - 6/15/2002 4:07:40 PM
    - Re: Kargel has the right idea. - p - 6/16/2002 6:34:47 PM
    - Guerilla warfare of academia, ehh? - ebnelson - 6/15/2002 4:24:23 PM
      - August - Nick Hoffman - 6/16/2002 10:30:24 AM
        
        Good luck with the course. - ebnelson - 6/16/2002 3:07:29 PM
  - Imagine a Mars shake from Sonic. § (n/t) - ebnelson - 6/14/2002 4:56:41 PM

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