Hall showed that the position of the elliptical orbit of Saturn's moon, Hyperion, was retrograding by about 20° per year
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Hall showed that the position of the elliptical orbit of Saturn's moon, Hyperion, was retrograding by about 20° per year
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.