Mini-Neptunes and super-Earths up to four times the size of our own are the most common exoplanets orbiting stars beyond our solar system. Until now, super-Earths were thought to be the rocky cores of mini-Neptunes whose gassy atmospheres were blown away. In a new study published in , astronomers from Ï㽶ÊÓƵ show that some of these exoplanets never had gaseous atmospheres to begin with, shedding new light on their mysterious origins.
Category:
Published on: 10 Feb 2021
