TUCSON, Arizona, Nov. 25 -- DarkSky International issued the following news release: Thousand Hills State Park in Kirksville, Missouri, was certified as an Urban Night Sky Place by DarkSky International. This is a culmination of efforts that began several years ago, validating the work of Thousand Hills State Park in protecting the night sky above and around the city from the effects of light pollution. Hills State Park is located in northern Missouri and is made up of gently rolling hills, as  more