Re: xkcd: _Moon Landing Mission Profiles_

On Fri, 22 Mar 2024 17:14:32 -0400, Cryptoengineer
<petertrei@gmail.com> wrote:

On 3/21/2024 11:46 AM, Paul S Person wrote:

And the stepladder suggestion seems to presuppose that the Moon is
both very close to the Earth and yet stationary relative to the Earth,
which might be harder to achieve then just contracting the orbit.

The Earth-Moon Roche limit is 9600 km, center to center, or about 2000
km surface to surface.

Well, then, geostationary orbit should do just fine.

So the only problem would be what material to make the stepladder out
of.

Well, that and not getting tired on the climb up.

John Savard