Re: OT? Why Doesn't the Moon Fall Down?
- From: Dick C <foo.dickcr@xxxxxxxxxxx>
- Date: Tue, 10 Jul 2007 22:37:18 -0500
r norman wrote in talk.origins
On Tue, 10 Jul 2007 18:13:09 -0400, Terry <Kilowatt@xxxxxxxxxxx>
wrote:
http://sciencehack.com/
The vid on the link shows that the moon is moving exactly the right
speed to prevent it from shooting off into space or be pulled to
earth.
It seems like something besides speed has to be keeping the moon where
it is.
My impression is that the moon _does_ fall down. It is constantly
falling down. Unfortunately, its sideways motion means that although
it is constantly accelerating downwards, the resultant velocity is
never reaches in the proper direction to hit the earth.
One nice explanation of an object in orbit is that it is falling into
the earth, but it is moving forward fast enough to keep it from actually
hitting the earth.
--
Dick #1349
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
~Benjamin Franklin
Home Page: dickcr.iwarp.com
email: dickcr@xxxxxxxxxxx
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