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Uranus Is Luminous and Ringed in New Webb Telescope Image

Uranus as seen by Webb’s NIRCam, surrounded by bluish-white rings.
Uranus as seen by Webb’s NIRCam, surrounded by bluish-white rings. Image: NASA, ESA, CSA, STScI

Yes, that’s Uranus. The giant icy orb looks more like an agatized dinosaur egg than a planet in this new image from the Webb Space Telescope. Uranus, the seventh planet from the Sun, still holds plenty of secrets. We know it’s an ice giant, thought to be mostly (80% or more) icy water, ammonia, and methane surrounding a rocky core, and that it has skies rich with hydrogen sulfide. It also has a ring system, one that’s far less familiar to us than the circles around Saturn. – Isaac Schultz Read More