[ExI] cost of SBSP and thorium

[Eugen Leitl]

On Fri, Aug 17, 2012 at 08:43:04AM -0700, spike wrote:

> Another example is that the cost of delivering a single gram to LEO isn't
> all that much lower than the cost of delivering 100 kg, if you are needing
> specific orbit parameters.  It is well above that before the cost starts to
> scale proportional to payload.  This assumes away of course the getaway
> specials they used to have when we had a shuttle, which were one kg class
> payloads.  I don't know if there is anything analogous to those
> opportunities today.

You've got microsats and nanosats, down to cubesats which take
a ride on a sat bus.