In article ,
G EddieA95 wrote:
If Earth is not to become a pre-techological subsistence park, it will *have*
to be solar one day.

Or fusion. Or some form of imported energy (antimatter manufactured down
near the Sun?).

Even for solar, there's no reason why solar power for Earth has to be done
with solar collectors on Earth's surface -- in fact, that's easily the
*worst* place in Earth's vicinity for collecting solar power.
--
MOST launched 30 June; science observations running | Henry Spencer
since Oct; first surprises seen; papers pending. |