Using the ULTRACAM instrument on ESO’s 3.5-m New Technology Telescope and NASA’s Transiting Exoplanet Survey Satellite (TESS), astronomers have noticed a hoop of planetary particles studded with moon-sized constructions within the liveable zone of WD 1054-226. WD 1054-226 is a 16-magnitude comparatively cool white dwarf star with a hydrogen ambiance. Otherwise often called LP 849-31, it resides roughly […]