Rare Pair of Improbably Light ‘Super-Puff’ Planets Is Discovered

Rare Pair of Improbably Light ‘Super-Puff’ Planets Is Discovered: They’re less dense than cotton candy, and they will help astrophysicists better understand the most unusual ways giant planets can form. By Rebecca Dzombak Astronomers have found a pair of the lightest giant planets known in the universe in a star system about 1,100 light-years away, according to a new study. The discovery of these two gas