July 14, 2015
NASA via AP
This July 13, 2015 image shows Pluto, seen from the New Horizons spacecraft. The United States is now the only nation to visit every planet in the solar system. Pluto was No. 9 in the lineup when New Horizons departed Cape Canaveral, Florida, on Jan. 19, 2006.
Stories this photo appears in:
We've made it to Pluto by NASA's calculations, the last stop on a planetary tour of the solar system a half-century in the making.
By Marcia Dunn
July 14, 2015
