ALT An annotated Webb image of the planet Uranus on a black background with 13 of its 28 known moons. The planet appears blue with a large, white patch taking up the bottom half. Around the planet is a system of nested rings. The outermost ring is the brightest while the innermost ring is the faintest. Beyond the rings are 14 labeled moons appearing as points of light. The newly discovered planet, S/2025 U1, is labeled in yellow.