I was reading 'Who Goes There?' by Edelson
and he wrote this line, "...life established,
itself on this planet with remarkable speed..."

That suggested two things to me:

1. It was probably easy to do (and not the fluke
chance event that many scenarios depend upon)

2. It depended on conditions that were there
earlier on rather than later. 
This window of opportunity is
due IMO because only the early earth was hot
enough to support and promote the chemistry
needed to lead to life.
If not then life would have been delayed until
the earth cooled  with the timeline being
much much shorter.
This helps supports the idea of the origin in the
early hotter era of earth's development.


Oh and on a side note: Some talk of silicon life
as a possibility - with silicon replacing carbon.
Yet the earth has more silicon than carbon -
(when it combines with oxygen we get the basic
ingredient of sand silicon dioxide).
If it could work, it should have worked here as
well as anywhere else. And silicon life did not
work on earth - carbon life did.

Comment?
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 * RgateImp.MoonDog.BBS at 9/23/04 4:56:08 PM