Researchers have taken the closest look yet at the Kepler 51 star system, home to the lowest-density planets ever discovered.
Super-puffs: Astronomers try to explain 'cotton candy' exoplanets
Super Puff Exoplanet Exoplanet Has the Density of Cotton Candy
Weird 'cotton candy' planets might be rocking rings, scientists suggest - CNET
Super-puffs: Astronomers try to explain 'cotton candy' exoplanets
Campus News, Page 683, CU Boulder Today
Super-puffs: Astronomers try to explain 'cotton candy' exoplanets
Space, Page 16, CU Boulder Today
Super-puffs: Astronomers try to explain 'cotton candy' exoplanets
Scientists Discover Clown Planet With Density of Cotton Candy
Super-puffs: Astronomers try to explain 'cotton candy' exoplanets
Super Puff Exoplanet Exoplanet Has the Density of Cotton Candy