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Aphelion and Perihelion

Aphelion is the greatest distance between a planet or other body and the Sun. Perihelion is the closest distance from the Sun. Objects move slowest in their orbits when they are aphelion and fastest when at perihelion.

Radio Programs

Far from the Sun Our “eccentric” orbit around the Sun July 3, 2022

Perihelion Snuggling close to the Sun January 3, 2022