The launch of Kosmos 955 has been suggested as the cause of the Petrozavodsk phenomenon.
Viral phenomenon | 2012 phenomenon | Raynaud's phenomenon | Halo (optical phenomenon) | Petrozavodsk State University | Echo (phenomenon) | viral phenomenon | Petrozavodsk phenomenon | Jedi census phenomenon | Entoptic phenomenon | Electronic voice phenomenon | A halo phenomenon observed over the South Pole. Featured in the photo are several distinct phenomena: A '''parhelic circle''' (horizontal line), a 22° halo |