The term 'TYPE OF LIGHTS' can be solved by two crossword solutions: NORTHERN (8 letters) and Klieg (5 letters). NORTHERN lights, also known as aurora borealis, are a natural phenomenon that occurs in the night sky of the Arctic regions. They are caused by the collision of charged particles from the sun with atoms in the Earth's atmosphere. Klieg lights are artificial lights used in film and television production. They are powerful, bright lights that are used to illuminate a scene or set.