Granger, Indiana. Granger is a census-designated place (CDP) in Clay and Harris townships, St. Joseph County, in the U.S. state of Indiana. The population was 30,465 at the 2010 census. Penn-Harris-Madison School Corporation and the South Bend Community School Corporation maintain the public schools in the area.
Pluto was discovered in 1930 by an astronomer in America. Pluto was discovered in 1930 by an astronomer in America.
Well, New Horizons: The First Mission to the Pluto System and the Kuiper Belt left on Jan 19th, 2006 and achieved closest approach to Pluto on July 14th, 2015, so with a sample of one I guess the answer is about ten years. On the other hand we have precisely zero spacecraft on hand today to do the mission.