Spalling?

> I have a question about "spalling", as in "space
> junk is a huge problem
> because it is in orbit; and it self amplifies due to
> a process called
> spalling." I agree "Very little natural
> debris will be in orbit... " but if one piece of
> orbiting material hits
> another, in order for both to stay in orbit don't
> they have to have very
> "tight" trajectories in both directions and speed
> coming out of the
> collision to stay in orbit? I would think after the
> collision, assume no
> new pieces just to make this simple, both would
> likely be in orbits which
> would take them into the atmosphere within an orbit,
> and so they would soon
> be gone. Thus collisions between orbiting debris
> should help clean out the
> debris. Multiple pieces coming out could well leave
> a few much smaller
> pieces in orbit, but the most of the mass would drop
> out of orbit from
> aerobraking after a single collision. I know there
> was a video broadcast (I
> believe on FOX) on this, but I think this like
> "beaming people" on star
> trek, not taken seriously by scientist. Sincerely,
> Jay Huebner at
> jhuebn@...
>
but who wants to admit we need them.
beachcop51503