Comet 2017 U1 was discovered a few days ago using the PANSTARRS telescope. Further observations are needed to confirm but "this object may be the first clear case of an interstellar comet," according to the Minor Planet Center. http://www.minorplanetcenter.net/mpec/K17/K17UI1.html Credit: Space.com / orbit animation: NASA/JPL-Caltech / edited by Steve Spaleta http://www.twitter.com/stevespaleta