At the edge of Jupiter's vast magnetic domain, where the solar wind meets its match, NASA's Juno spacecraft has detected plasma waves that echo processes long observed at Earth — yet carry signatures distinctly their own. These waves, caught at Jupiter's bow shock, reveal that the fundamental physics of energy dissipation is universal, but that each planet's magnetosphere has found its own way of bearing the burden. The discovery invites us to see planetary magnetospheres not as isolated curiosities but as variations on a shared cosmic theme, each shaped by the conditions it must endure.