Triton, the giant moon of Neptune, differs from all other major moons of the planets because
A) its orbit is very elliptical.
B) it orbits faster than the rotation of the planet.
C) it orbits in a retrograde direction, opposite to the planet's rotation.
D) its orbit takes it over the planet's poles.

Question

Quizplus · Accepted Answer

Triton is unique among the major moons of the planets in our solar system because it orbits Neptune in a retrograde direction, meaning it moves in the opposite direction to Neptune's rotation. This is unusual because most moons orbit their planets in the same direction as the planet's rotation.

Triton, the Giant Moon of Neptune, Differs from All Other