It was completely illuminated with it being it’s own light source. It was worm like but connected without break. It rotated around along its edge, as well as spun on its center. The best resemblance would be the bubbles that dolphins blow, a Hula hoop shape spinning like that. It was not rigid and did not maintain a circular shape it flexed around itself while spinning. It moved from east to west at approximately 500 ft. It moved between katara and the pearl located in Doha,Qatar.