Space & The Universe
, Top 5 Most
, The United States
National UFO Reporting Center 2012.
Data is U.S. states with the most Unidentified Flying Object (UFO) sightings from the years 1994 to 2011. UFO is defined by the Random House Kernerman Webster's College Dictionary as: "any unexplained moving object observed in the sky, especially one assumed to be of extraterrestrial origin."