Re: Standard orbit Mr. Sulu" no free lunch"
Posted by Southern Man on Jul 19, 2002 at 07:57
Re: Standard orbit Mr. Sulu" no free lunch" (I. S.)
At this moment your tangential velocity with respect to the earth is about 1000 mph in an easterly direction. You are also moving at a speed of about 67,000 mph around the sun. You aren't the only one. Lots of people are and some of them have big heavy SUVs. Others live on real heavy mountains. Both energy (1/2 mv^2) and momentum (mv) are conserved.
"..how many spacecraft could use a planet's orbital energy before the radius of the planet's orbit decreased by a millimeter?"
As Sagan would say, "billions and billions..."
Post a Followup