Officially named 2000 EB173, the object is a ball of rock and ice measuring 373 miles (597 km) in diameter -- about one-fourth the size of the planet Pluto. The object is classified as a minor ...
The discovery was in line with Voyager surveys showing these components on other moons in the Kuiper Belt -- the area where Pluto and its moons are located just beyond Neptune. In 2007 ...