Spherical UFO sighted in Pori Finland in 1963

Summary

A luminous spherical object was spotted in Pori, Finland, in September 1963. Witnesses saw it moving slowly from northwest to southeast without making noise or resembling an airplane. Although it was considered a meteor, its unusual description generated interest. A Finnish expert identified it as a common astronomical phenomenon, but the similarities to other sightings in the region led to further consideration. The lack of photos or sound added mystery to the case.