Nukes & solar panels

>
> 100 meters seems pretty puny. The World Trade center is 1/5 of a mile high,
> and this is on Earth under a full gravity. On the Moon a structure which is
> 6/5 of a mile high could easily be built with the same structural members.

No it is not easy. It is expensive.

To compete with an unsteered array of solar cells lying on the surface
of the
Moon in a non-polar location:-

if the steered polar array is more than four times as expensive as the
unsteered
array, then it does not compete in terms of watts per dollar.

Sure you could build an array a thousand feet high, but at what cost ?

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