Re: Asteroids or bust!

From: Alex Terrell (alexterrell_at_yahoo.com)
Date: 06/02/04 

Date: 2 Jun 2004 09:13:36 -0700

Sander Vesik <sander@haldjas.folklore.ee> wrote in message news:<1085752782.723641@haldjas.folklore.ee>...
> > It isn't uncommon for NEOs to pass within 10 lunar distances of earth.
> > Sometimes the relative velocity is less than Lunar escape velocity.
>
> But AFAIK

which isn't very far, like the rest of us

> NEO-s don't really contain that much nitrogen.

Some though were recently comets, and should still have Ammonia.

> Plants (and animals,
> inc humans) need nitrogen-based compounds to live.
>
> >
> > If the goal is bring organic compounds and volatiles to colonies in
> > orbit or on the moon, I remain unconvinced Earth is the cheapest source.
> >
NEOs certainly have carbon, perhaps with nitrogen added.

>
> The alternative known to be abundant resource of nitrogen compunds is Titan.

Quantcast