Some ‘superpuff’ exoplanets may actually be ringed worlds like Saturn
Some puzzling planets called superpuffs could be Saturns in disguise. These exoplanets appear very large given their masses, suggesting that they have densities like cotton candy. Astronomers have struggled to explain how these planets could have turned out so fluffy (SN: 11/30/15). “People had been thinking of complicated ways to explain these mysterious planets,” such […] More