Jupiter’s iconic Great Red Spot (GRS), a huge storm that has raged for nearly two centuries, is slowly disappearing. New research suggests that this colossal vortex, swirling at speeds up to 450 km/h and as large as Earth, might be nearing its end sooner than previously thought. A Storm Unlike Any OtherThe GRS, an anticyclonic vortex (a counterclockwise-rotating high-pressure system), spans a diameter roughly equal to Earth’s. Imagine a planetary-sized hurricane; the force and scale of this storm are unheard of. It easily stands out with its reddish color against Jupiter’s pale cloud tops, eas…