UFOs/UAPs
Petrozavodsk phenomenon — the 1977 Soviet northern-lights 'jellyfish' incident
Petrozavodsk, Karelia, Russia·1977
On September 20, 1977, a silent 'jellyfish' of light hovered 12 minutes over Soviet Petrozavodsk — triggering the 13-year Soviet Ministry of Defense UFO study 'Setka.'