On 17 Aug 2004 21:03:17 GMT, Ian Stirling
wrote:

Taking all of the rocky bodies (venus, earth, ....) and using them
along with hydrogen/... from the gas giants (not the cores) then
the total number is somewhere around 10^22.

What assumptions are you making about the amount of material per
person required to provide living space, solar panels etc?

The first thing you run out of is phosphorus.

Hmm... I notice phosphorus has an atomic mass of 31, and aluminium has
an atomic mass of 27. If you took Al and threw alpha particles at it,
could you get substantial yields of P that way?

--
"Sore wa himitsu desu."
To reply by email, remove
the small snack from address.