On 1/3/2010 12:05 PM, BradGuth wrote:

snip crap

1) Define suction.
2) Define void.
3) Define vacuum.
4) Define hollow.
5) Formulate a real example of how they *all* interact.
6) Show how this interaction occurs on the moon and exerts
a force (not pressure) that is vectored in a direction
perpendicular to the surface of the moon, outward from
the center of the moon.