exoplanets, kepler-138 c, kepler-138 d, new discoveries, water

Astronomers Find That 2 Exoplanets May Be Mostly Water

A team led by UdeM astronomers has found evidence that two exoplanets orbiting a red dwarf star are “water worlds,” planets where this liquid makes up a significant fraction of the volume. These worlds, located in a planetary system 218 light-years away in the constellation Lyra, are unlike any planets found in our solar system. ...

Troy Oakes

The Kepler planetary system.