Differences between revisions 6 and 7
 ⇤ ← Revision 6 as of 2021-07-16 07:23:42 → Size: 274 Editor: KeithLofstrom Comment: ← Revision 7 as of 2021-07-16 07:24:01 → ⇥ Size: 276 Editor: KeithLofstrom Comment: Deletions are marked like this. Additions are marked like this. Line 6: Line 6: 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 $M$ : $\mu = G M$ 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

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)