Eccentricity of the Earth for the solutions La2004 (L04), La2010a (L10a), La2010b (L10b), La2010c (L10c), and La2010d (L10d). In the interval [ − 40: − 30] Myr, the four solutions are virtually identical, but before − 45 Myr, La2004 begins to depart significantly from the La2010 solutions. We have then plotted again the time interval [ − 50: − 40] Myr (bottom), removing La2004 to allow a clearer comparison of the La2010 solutions. Over this interval, these three solutions are very similar.
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