Uranus is hotter than scientists thought.
When our Voyager 2 probe flew past the planet in 1986, the information it collected suggested that Uranus is unusually cold inside, challenging scientists to reconsider their theories of how planets formed and evolved throughout our solar system.
Now, though, revisiting decades of data and using advanced computer models, scientists with NASA and the University of Oxford have found that Uranus does, in fact, generate some internal heat, much like Saturn, Jupiter, and Neptune. Don't worry, though: as the only planet in the solar system to spin on its side, Uranus is still one-of-a-kind.
This image of Uranus and its rings was captured by our NASAWebb telescope in 2023.
Image description: The light blue sphere of Uranus, as seen in infrared, floats within a series of roughly five concentric rings. The background is completely black.
Credit: NASA, ESA, CSA, STScI
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