Why is the trajectory of pluto different from all other planets?
The peculiarity of Pluto's trajectory is that both its eccentricity and inclination to the ecliptic, the approximate plane in which the orbits of the other planets lie, are extremely high. As Pluto was discovered only in 1930, astronomers haven't been able to fully explain the peculiarity of its orbit. A hypothesis proposed that it was originally a moon to Neptune, and later somehow escaped from Neptune's gravity In 1978,
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