Dwarf planet mysteries beckon to New Horizons
Monday, September 5, 2011 - 11:30
in Astronomy & Space
(PhysOrg.com) -- At this very moment one of the fastest spacecraft ever launched -- NASA's New Horizons -- is hurtling through the void at nearly one million miles per day. Launched in 2006, it has been in flight longer than some missions last, and still has four more years of travel to go.