SMRTR Science & EngineeringAug 19, 2025Engadget

Webb telescope spots a new moon orbiting Uranus

SMRTR summary

Webb telescope discovered a previously unknown tiny moon orbiting Uranus, bringing the planet's total moon count to 29. The six-mile-wide moon has a nearly circular orbit about 35,000 miles from Uranus' center. Detected using NIRCam long-exposure images, this discovery suggests more complexity may exist in Uranus' moon system, which already has more small inner moons than any other planet.

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