bn:27267670n
Noun Concept
Categories: All articles needing additional references, Articles with short description, Orbits, Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference
EN
apsis  Apapsis  apastron  Aphadion  Aphermion
EN
An apsis is the farthest or nearest point in the orbit of a planetary body about its primary body. Wikipedia
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