... Sometime in February, two of three long-lived Jovian storm systems known as "white ovals" apparently collided and merged -- forming what is now likely the second largest storm in the Solar System, after the famous Great Red Spot. The Case of the Missing Aurora . ... Uranus typically appears as a featureless small spot in a small telescope or a featureless large orb in a large telescope. Last August, however.. ... Saturns Rings Seen Sideways . ... Io Aurora . ... The Worlds Largest Ozone Hole . ...