Aurora Borealis simulation device and an aurora generating method are provided which relates to the technical field of light simulators and includes: A projection window is provided on the simulation device main body. The aurora simulation component comprises: a light-emitting unit; a fixing frame fixedly mounted on an inner wall of the simulation device main body; a radiator arranged on the fixing frame and assembled corresponding to light-emitting unit; a first light-transmitting component of which one part is provided on the fixing frame and other part extends toward a side of the projection window and located between the projection window and light-emitting unit and a second light-transmitting component fixedly mounted on the simulation device main body located within projection window

https://patents.google.com/patent/US11242979B2/en#:~:text=An%20aurora%20borealis%20simulation%20device%20and%20an%20aurora,is%20provided%20on%20the%20simulation%20device%20main%20body.