earth-like planets, new discoveries, super-earths

Astronomers Uncover Mysterious Origins of ‘Super-Earths’

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 The Astrophysical Journal, astronomers from McGill University show that ...

Troy Oakes

Artists impression of a super-Earth.