Showing posts from July, 2012

Hubble discovers a fifth moon orbiting Pluto

Source:  NASA,  Goddard Space Flight Center, ScienceDaily                Excerpt: … discovery of another moon orbiting the icy dwarf planet Pluto … estimated to be irregular in shape and 6 to 15 miles across … in a 58,000-mile-diameter circular orbit around Pluto…. The discovery increases the number of known moons orbiting Pluto to five. The Pluto team is intrigued that such a small planet can have such a complex collection of satellites. …"The discovery of so many small moons indirectly tells us that there must be lots of small particles lurking unseen in the Pluto system," said Harold Weaver of the Johns Hopkins University Applied Physics Laboratory….