Re: [NNagain] Hurling rocks into Earth's gravity well

["David Bray, PhD" <david.a.bray@gmail.com>]

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The latest missions suggest water is all over the Moon and not that rare -
https://dailygalaxy.com/2024/09/scientists-confirm-water-all-over-the-moon/

Unfortunately we cancelled the VIPER effort
https://www.nasa.gov/news-release/nasa-ends-viper-project-continues-moon-exploration/
... and Athena crashed
https://www.yahoo.com/news/intuitive-machines-athena-space-craft-declared-dead-after-landing-sideways-in-a-crater-on-the-moon-153443232.html

... so stay tuned.


On Mon, Mar 17, 2025 at 1:03 PM David Lang <david@lang.hm> wrote:

> David Bray wrote:
>
> > I'd go for burning hydrogen - not hydrogen fusion - if we can extract
> water
> > from the Moon with solar power as the initial kick-starter. We will need
> > the hydrogen for future rockets launched from the Moon's lower gravity to
> > Mars and beyond too...
>
> I think water is better used for people than for burning. There isn't that
> much
> of it out there.
>
> There are times you need the high thrust, but if you can use electricity
> instead, it's better in the long run (and on the moon, with 14 day
> 'nights' I
> think nuclear will win
>
> burning hycrogen may be needed for landings and maneuvering, but use
> magnetics
> for launching.
>
> David Lang_______________________________________________
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>

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