How many rings does Uranus have?
13
The answer was 13. Here's the why, the decoys, and the source trail.
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Uranus has 13 known rings. They were first discovered in 1977 — years before the Voyager 2 flyby — when astronomers noticed stars dimming as the planet passed in front of them, revealing the faint ring system.
A good trivia question makes the wrong answers feel close. Here is the clean read on the set.
- 3 - a decoy; it may live near the same topic, but it does not answer this exact clue.
- 9 - a decoy; it may live near the same topic, but it does not answer this exact clue.
- 13 - correct answer.
- 21 - a decoy; it may live near the same topic, but it does not answer this exact clue.
13 is the one to remember. Uranus has 13 known rings. Uranus is tilted nearly 98 degrees on its axis, meaning it essentially rolls around the Sun on its side — and its rings orbit vertically rather than horizontally.
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Sources: NASA