Super-Earths may form in two ways
Contrast in star composition hints at two categories for large rocky planets
![Super Earth vs. Earth](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/03/cc_super-earth-brief.jpg.jpg?fit=860%2C460&ssl=1)
BULKING UP The formation of super-Earths like Gliese 832c, a potentially habitable planet roughly 5 times as massive as Earth (illustrated here), puzzles astronomers. New research suggests that not all super-Earths form the same way.
Planetary Habitability Laboratory/University of Puerto Rico at Arecibo