At approximately 7:49 a.m. on July 14, NASAs New Horizons spacecraft is scheduled to be as close as it will get to Pluto, approximately 7800 miles (12500 .\r<br>\r<br>Investigation of imagery and other data from the approaching probe reveal Pluto to be larger than previous estimates. Principal investigator Alan Stern explains .\r<br>\r<br>New Horizons is the first mission to the Kuiper Belt, a gigantic zone of icy bodies and mysterious small objects orbiting beyond Neptune. This region also is .\r<br>\r<br>\r<br>\r<br>After a nearly decade-long journey, NASAs New Horizons spacecraft arrived at Pluto on July 14 – passing by at a mere 7750 miles above the surface .
