Dust rings are a type of astronomical phenomenon that involves the formation of ring-shaped structures composed of small dust particles surrounding a central object, such as a planet or star. These rings can be observed in various astronomical environments, including planetary rings, protoplanetary disks, and comet tails. Dust rings provide valuable insights into the formation and evolution of planetary systems, as well as the dynamics of dust grains in space. Scientists study dust rings using various observational techniques, such as telescopes and spacecraft, to better understand the composition, structure, and dynamics of these intriguing features.