UFO sphere with ring in France

Summary

A witness in Rambervillers observed a mysterious object on July 25, 2016. From his terrace, he saw a sphere with a ring moving quickly and silently from the northeast. The object reflected sunlight, which caught the witness's attention, as he did not recognize it as a known aircraft or weather balloon. After investigating with Flightradar data and weather records, it was concluded that the object was actually an airplane. Although the angular height did not match exactly, this was explained by the lack of reference points and the open sky. Additionally, the spherical shape and ring were attributed to sunlight reflections on the aircraft. The witness perceived the plane as larger than usual due to these optical effects.