...according to NASA
https://www.zmescience.com/science/nasa-uranus-plasmoid-gas-leak-023523/
the magnetometer marked a kind of zigzag at one point during its travels. The signal corresponded to a huge bubble of electrified gas: a cylindrical plasmoid at least 204,000 kilometers long and up to 400,000 kilometers wide.
https://www.zmescience.com/science/nasa-uranus-plasmoid-gas-leak-023523/
the magnetometer marked a kind of zigzag at one point during its travels. The signal corresponded to a huge bubble of electrified gas: a cylindrical plasmoid at least 204,000 kilometers long and up to 400,000 kilometers wide.
Plasmoids are recognized as an important way for planets to lose mass. They detach from the part of the magnetic field of a planet that is expelled by the Sun. This phenomenon had been observed on Earth and other planets, but never on Uranus.