hierarchical2URLhttp://portal.discoverthecosmos.eu/node/196150Light pollutionenLesson plan about light pollutionlightpollutionskyfinal1.0author2014-04-10Carlos Pintopublisher2014-04-10Carlos PintoenLOM v1.0creator2014-04-10Carlos Pintovalidator2014-04-10Carlos Pintobrowsernetscape-communicatorbrowserms-internet explorerbrowseranyosms-windowsosanytext/htmlhttp://portal.discoverthecosmos.eu/node/196150nonoactivemediumvery easy1 didactic hourexercisesimulationslideInquiry-Based Teachingschool education6-99-1212-15DisciplineAstronomy: EarthAstronomy: Near-earth objectsAstronomy: Stars