Twice the Size and 50x the Power: Jupiter’s Primordial Past Revealed

Jupiter wasn’t always the planet we know today—it was once twice as big, had a magnetic field 50 times stronger, and its early might shaped the very architecture of our solar system. Using the orbits of two tiny inner moons, scientists have reverse-engineered a snapshot of Jupiter’s turbulent youth, sidestepping typical uncertainties and adding vivid [...]