Pluto is in a 2:3 resonance orbit with Neptune.What does this mean?
A) During the time that Neptune orbits the Sun three times, Pluto orbits it twice.
B) During the time that Neptune orbits the Sun twice, Pluto orbits it three times.
C) Neptune rotates on its axis three times while Pluto rotates twice about its axis.
D) Neptune's mean orbital radius is 2/3 of Pluto's mean orbital radius.

Question

Quizplus · Accepted Answer

In a 2:3 resonance orbit, for every two orbits Pluto completes around the Sun, Neptune completes three orbits.

Pluto Is in a 2:3 Resonance Orbit with Neptune