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I have another question for those who teach astronomy. The first questionLudwik,
(how is solar spinning angular momentum transferred to the revolving planets
via magnetic forces?) was not answered. I assume it is not a simple topic.
This question has to do with the fact that planetary orbits are often
nearly circular. The same is true for numerous moons and rings. Kepler's
laws would not be violated if eccentricities of planetary orbits were
very large. Why are most orbits nearly circular?
Except for Mercury (e=0.206) and Pluto (e=0.253) the values of e for planets
are smaller than 0.1. For example, 0.007 for Venus, 0.017 for Earth, etc.
How do elipticities change when the spin of our Sun is being transferred to
planets?