The planets in our Solar System have eccentricities that are all close to 0, with Mercury being somewhat of an exception with a slightly higher eccentricity.
The correct option is (b).
Eccentricity refers to the measure of how elliptical an orbit is, with a value of 0 representing a perfectly circular orbit and a value close to 1 indicating a highly elongated orbit. In our Solar System, the planets have nearly circular orbits, meaning their eccentricities are close to 0. However, Mercury has a slightly higher eccentricity compared to other planets, making it somewhat of an exception with a more elongated orbit.
So, the correct answer is (b) all close to 0, with Mercury being somewhat of an exception.
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