Super-Earths, meet superpuffs, a lighter weight class of planet
Underweight, oversized planets formed in outskirts of star systems
![a superpuff planet](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/11/121215_notebook_superpuff_free.jpg?fit=860%2C460&ssl=1)
BIG PERSONALITY Superpuffs (one illustrated) are extra fluffy planets that formed far from their star and subsequently wandered in closer, a new study suggests.
NASA, ESA, G. Bacon/STScI