Donzère 1980, fluorescent green object over road

Summary

On December 3, 1980, a driver in Drôme observed a large circular object, glowing in fluorescent green, hovering 10 meters above the road. The object silently approached his vehicle, followed him for about a kilometer, and then quickly disappeared. The event lasted 3 to 4 minutes and caused some alarm in the witness, who decided to continue his journey. During the investigation, another witness mentioned seeing a blue light that night, but no further details were obtained. Despite efforts, the phenomenon remains unexplained.