On Aug 5, 11:10 pm, The Ghost In The Machine
wrote:

There's a few interesting technical problems. The biggest
one is how to get a billion metric tonnes into the right
place. I'm also curious as to the requisite strength of the
tether.

You start from the top down. Park a robotic platform at the moon's
L2, establish a basic L2 tether and then start expanding from there
on. Once having established a robotic tether producing process on the
lunar deck, whereas at the base or foundation of that L2 tether
attachment to the moon is where such tether related production and
many other related things start getting interesting.

Perhaps as much as 99.9% of this daunting task is off-world
accomplished, meaning that most of everything required of tether and
CM is derived from the moon itself.

BTW, in the process of saving Earth, it is likely that more than a few
astronauts will die in accomplishing this century long term process.
Terribly sorry about that.

Don't suppose you'd be the least bit interested in working out any of
those details. So, why bother yourself?
- Brad Guth