Earth's Orbital Cycles

The Earth's orbit around the sun is not a perfect circle; its eccentricity changes over time due to the gravitational influence of larger planets. These cycles, including apsidial precession and orbital inclination, play a crucial role in determining seasonal strength and have been linked to the patterns of ice ages. Insights from Milankovitch reveal how these subtle shifts can either amplify or moderate the intensity of seasons over millennia.