Jellyfish Phenomenon Lights Up Sky Over Petrozavodsk in 1977

On the morning of September 20 1977 residents of Petrozavodsk in the Soviet Union witnessed one of the most remarkable UFO events of the era.

Around 4 AM a brilliant star like object appeared in the sky and rapidly grew in size emitting numerous thin beams of light that spread outward like the tentacles of a jellyfish.

The phenomenon illuminated the entire city and was visible for several minutes before fading.

Thousands of people including factory workers police officers and pilots reported the sighting.

Local newspapers such as the Petrozavodsk Pravda published detailed accounts the following day.

The event was so significant that it reached national attention and was discussed in official scientific circles.

Soviet authorities collected numerous eyewitness testimonies and photographs were taken showing the unusual structure.

No conventional explanation such as aircraft or weather phenomena could account for the structured light rays and prolonged visibility.

The incident remains a cornerstone case in UFO research highlighting credible mass sightings in the USSR during the Cold War period.