SETI Re: [ASTRO] So? Which is it? Or are science reporters being silly again?


Larry Klaes (lklaes@bbn.com)
Tue, 06 Jul 1999 14:29:17 -0400


>Date: Tue, 6 Jul 1999 14:10:26 -0400 (EDT)
>From: "\"Mark J. Schnitzius\" <"<schnitzi@east.isx.com>
>To: europa@klx.com
>Subject: Re: [ASTRO] So? Which is it? Or are science reporters being silly
again?
>Sender: owner-europa@klx.com
>Reply-To: europa@klx.com
>
>
> > >From: "Abel van Weerd en Piet Dekker" <acvwpcd@xs4all.nl>
> > >
> > >I have just read Paul Davies recent book: 'The Fifth Miracle - The Search
> > >for the Origin of Life'. It appears that 'life' (bacteria and other very
> > >ancient branches of the tree of life) is incredibly persistent, 'durable'
> > >and occupying every thinkable (and unthinkable) niche. "Claims" whether
> > >there is - or was - life on Europa are rather silly.
>
>
>Though this may not be a specific example of it, I've seen what I think is
>an unwarranted assumption here from time to time; namely, that because life
>can /survive/ or even prosper in extreme environments here on earth, then
this
>is evidence that life can /start/ in other extreme environments. By all
>available evidence, life on Earth can trace its way back to a single incident
>of abiogenesis, then gradually adapted to more extreme environments. The
>earliest microbial replicators might only be able to form in the most
hospitible
>of environments; say, in atmospheric oxygen and sunlight, for all we know.
>Then again, it might have happened around the sea vents. The point is, I
>don't think the persistence or durability of life on Earth can in any way
>be construed as evidence that abiogenesis can occur in harsher environments.
>
>
>--Mark
>
>



This archive was generated by hypermail 2.0b3 on Sun Aug 01 1999 - 16:28:41 PDT