Tagged Questions
1
vote
2answers
120 views
Most suitable metric for the Solar system?
If I wanted to solve the Einstein equations for the solar system, which choice of $g_{\mu\nu}$ and $T_{\mu\nu}$ is more suitable?
I thought about using a Schwarzschild metric near each planet, but ...
1
vote
1answer
180 views
Geocentric Model in General Relativity
In classical mechanics, if I want to view the Earth as the fixed center of the solar system, I must accelerate my reference frame to keep it centered on the Earth. That accelerated reference frame ...
12
votes
2answers
1k views
What did general relativity clarify about Mercury?
I frequently hear that Kepler, using his equations of orbital motion, could predict the orbits of all the planets to a high degree of accuracy -- except Mercury. I've heard that mercury's motion ...
3
votes
1answer
410 views
If the Sun were to suddenly become a black hole of the same mass, what would the orbital periods of the planets be?
I am interested in theoretical and practical considerations.
