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Perihelion and Aphelion
Periapsis and apoapsis for a body orbiting a star such as the Sun.
Wikipedia | Perihelion and Aphelion
External Pages About Perihelion and Aphelion
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Statements about
Perihelion and Aphelion
Subclass Of
Has Part(s)
Instance Of
Perihelion
Apsis
Dyad
Aphelion
