Caption: A schematic illustration of the orbital planes of Mercury and ex-planet Pluto.

Among the planets, Mercury and Pluto have the largest orbital inclinations.

Orbital inclinations are NOT tilts around a single axis perpendicular to the diagram as the illustration suggests---it's just a schematic illustration. The tilt axes are offset from each other.

Credit/Permission: © David Jeffery, 2003 / Own work.
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