The Most Common Type of Exoplanet Was Difficult To Observe Until the JWST Came Along

The idea that our Solar System is representative of other solar systems hasn't survived the age of exoplanet discovery. Kepler and TESS have shown us that our system doesn't even contain the most common type of planet: sub-Neptunes. These planets pose a mystery to planetary scientists, and the JWST is helping unravel the mystery.