What characteristic of Neptune's rings is significantly different from the rings of Jupiter,Saturn,and Uranus?
A) All are outside the Roche limit for Neptune.
B) They are highly elongated.
C) They have become fainter over just a few decades of observation.
D) They are in retrograde motion about the planet.

Question

Quizplus · Accepted Answer

Neptune's rings are unique because they have become fainter over just a few decades of observation, indicating a significant change in their structure or composition over a relatively short period. This characteristic is not observed in the rings of Jupiter, Saturn, or Uranus.

What Characteristic of Neptune's Rings Is Significantly Different from the Rings