INTERSTELLAR INTERLOPER by Greg Laughlin SOLAR SYSTEM VISITOR This artist's impression shows the first discovered interstellar body, called `Oumuamua. Although estimates for the true shape vary wildly, its discoverers are sticking with this strange, highly elongated profile. In this model, it's about 400 meters (1,300 feet) long. 20 OCTOBE R 2 018 * SK Y & TELESCOPE ESO / M. KOR NMESSER `Oumuamua's Visit