0
votes
0answers
50 views

Deriving the relationship between change in Energy and change in angular momentum in orbital repulsion

I know that for a test particle in between a planet and its satellite, there is a direct relationship between the change in energy and change in angular momentum, when the particle's orbit nears the ...
2
votes
4answers
732 views

Why the center of our galaxy doesn't absorb us?

Depending on the theories, the center of our galaxy is a super massive black hole, this is easy to accept as a truth, but what I couldn't simply devour is how the solar system is orbiting around it ...
2
votes
1answer
366 views

Angular momentum components as independent integrals of motion

I was told that in order to solve the Kepler problem (6 degrees of freedom in total) you have to proceed, step by step, to reduce those degrees of freedom using the integrals of motion. You do so ...