View Full Version : Discovery! Possible Dwarf Planet Found Far Beyond Pluto’s Orbit

2014-Mar-26, 06:10 PM
What is a dwarf planet? Some astronomers have been asking that question after Pluto was demoted from planethood almost a decade ago, partly due to*discoveries of other worlds of similar proportions. Today, astronomers announced the discovery of*2012 VP113, a world that, assuming its reflectivity is moderate, is 280 miles (450 kilometers) in size and orbiting […]

More... (http://www.universetoday.com/110719/discovery-possible-dwarf-planet-found-far-beyond-plutos-orbit/)