Differences between revisions 5 and 6
 ⇤ ← Revision 5 as of 2021-07-16 07:04:30 → Size: 45 Editor: KeithLofstrom Comment: ← Revision 6 as of 2021-07-16 07:23:42 → ⇥ Size: 274 Editor: KeithLofstrom Comment: Deletions are marked like this. Additions are marked like this. Line 1: Line 1: ## page was renamed from E

E < μ÷r

Climbing out of a gravity well requires energy.

Assume a spherical planet with mass M and surface radius r. The standard gravitational parameter \mu is the product of the gravitational constant G and M : \mu = G M

E<μ÷r (last edited 2021-07-17 07:19:46 by KeithLofstrom)