Of all the terrestrial planets, Mercury's orbit is most eccentric and tilted most above theecliptic.

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Quizplus · Accepted Answer

This statement is true. Mercury's orbit has an eccentricity of 0.21, which is the highest of all the terrestrial planets. Its orbital inclination, or tilt, is about 7 degrees above the ecliptic, which is also the highest of all the terrestrial planets. Mercury's orbit has an eccentricity of 0.21, which is the highest among the terrestrial planets, and its orbital inclination is 7 degrees above the ecliptic, which is the highest among all the planets in our solar system.

Of All the Terrestrial Planets, Mercury's Orbit Is Most Eccentric