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Mercury has had a wild ride. Whats the closet the earth ever came to the sun?
cloverfield911 3 years ago
The planets' orbits' major axes (average distances) have remained approximately constant over the history of the Solar System.
The Earth's eccentricity is now 0.0167, but is average is 0.027 and its maximum is 0.06. So the Earth has often done a greater closer/farther oscillation than at present.
And over the age of the Solar System, Mercury's eccentricity has varied between 0 and 0.4, with an average of 0.2.
lpetrich 3 years ago