RT @casey_stedman: New Small World Discovered Beyond Pluto
news.discovery.com/space/astronom… @MinorPlanetCtr @exploreplanets @AlanStern #ESO #OuterPlanets
RT @casey_stedman: New Small World Discovered Beyond Pluto
news.discovery.com/space/astronom… @MinorPlanetCtr @exploreplanets @AlanStern #ESO #OuterPlanets