The ring system around Uranus was originally discovered by what observation technique?
A) infrared observation from the IRAS spacecraft in Earth orbit
B) observation by the cameras aboard the Voyager 1 spacecraft
C) occultation of light from a star as Uranus (and the rings) passed in front of it
D) radar reflection from the particles in the rings

Question

Quizplus · Accepted Answer

The rings around Uranus were discovered through the technique of stellar occultation. This involves observing the dimming of a star's light as Uranus and its rings pass in front of it, blocking the starlight. This method allowed astronomers to infer the presence of the rings around Uranus in 1977.

The Ring System Around Uranus Was Originally Discovered by What