New Pluto Moon Found—"Fringe Benefit" of Search for Risky Rings - National Geographic

Finding the new moon this summer was a "fringe benefit" of a monthlong program to scan Pluto for rocky rings that could endanger NASA's New Horizons spacecraft, said planetary astronomer Mark Showalter, who's leading the Hubble scanning project. The probe is to fly by the dwarf planet in July 2015."The discovery of so many small moons indirectly tells us that there must be lots of small particles lurking unseen in the Pluto system," New Horizons team member Harold Weaver, a Johns Hopkins University planetary scientist, said in a statement.<br />http://news.nationalgeographic.com/news/2012/07/120712-pluto-moon-hubble-space-telescope-satellite-science-nasa/