The winds of change: I’ve made the first definitive detection beyond Earth of an internal magnetic field that changes over time. Atmospheric winds deep inside #Jupiter are likely responsible for variations in the planet's powerful magnetic field. Details: https://t.co/qMrpjCV3Mw pic.twitter.com/cMqcIas9tG

— NASA's Juno Mission (@NASAJuno) May 20, 2019