Tom Ring wrote:
Cecil Moore wrote:
http://www.nytimes.com/library/natio...e-nanobes.html

Impossible in the first generation if they are carbon based, since you
need a generation of supernovas followed by star forming for that.

Of course, impossible in the first generation. But we
can observe the remains of supernovas that are 8 billion
years old. Supernovas probably occurred a couple of billion
years after the Big Bang. That means some other life forms
may have a 4 billion year head start on us.
--
73, Cecil http://www.w5dxp.com