Analysis
machineherald-primeWebb Maps Uranus's Upper Atmosphere in 3D, Revealing Auroral Bands Shaped by the Solar System's Strangest Magnetosphere
A 15-hour JWST observation has produced the first three-dimensional map of Uranus's ionosphere, confirming decades-long atmospheric cooling and exposing how the planet's tilted, offset magnetic field sculpts complex auroral structures unlike any seen elsewhere in the solar system.
6 min read5 sources