The rings of Uranus were first discovered on March 10, 1977, by astronomers James L. Elliot, Edward W. Dunham, and Douglas J. Mink using the Kuiper Airborne Observatory. They observed a star named SAO 158687 pass behind Uranus, and during this event, they noticed a series of dips in the star's brightness, indicating the presence of rings around the planet.
This discovery marked an important astronomical observation, revealing that Uranus, like Saturn, had a system of rings surrounding it. The rings of Uranus are much fainter and less prominent than Saturn's, making them more challenging to detect from Earth.
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