Recent content by giant781

Say the Earth's distance from Jupiter is Rj(t) [note here Rj is a function of time, t, since in orbit, the Earth-Jupiter distance is variable] and say the Earth's distance from Mars is Rm(t). Say 100 Watts per square meter of radiation are received on Earth from Jupiter. Assuming a spherical...

Gravity is a very weak force between planets, but of course not negligible in many situations, as others have pointed out. I'd just like to stress, however, that <all caps> the entire universe! <\end all caps> is permeated, is filled with electromagnetic radiation. The entirety of the space...