"Dwarf star's 'double ring' suggests presence of Saturn-like exoplanet"

Observations of a red dwarf star located 485 light-years from Earth indicate that it is surrounded by two massive rings of gas and dust, with hints that it is orbited by a Saturn-size planet. The rings are quite narrow, and the researchers believe that a pressure bump arose in the outer ring early in the disk's history, which led to the trapping of dust particles. The team hopes to use NASA's James Webb Space Telescope to confirm the presence of the exoplanet.