Topic: Eccentricity Obliquity And Precession Of The Earth
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What is the difference between eccentricity, obliquity, and prece...
Eccentricity e is the amount by which the shape of a planet's orbit deviates from a circle. e= (a-p)/(a+p) where a is the farthest distance and p the shortest distance to the Sun. Obliquity is the axial tilt of a planet, the angle made by t... Read More »
Source: http://answers.yahoo.com/question/index?qid=20090111142333AA970i9
What's the difference between the precession of earth's orbit and...
I believe obliquity of the orbit is the "flatness" of the orbit, that is the greater the obliquity, the more elliptical the orbit, and less obliquity would be more circular. Precession is a rotation of the long axis of the orbit. The questi... Read More »
Source: http://answers.yahoo.com/question/index?qid=20101128120234AAlikL9
