Hot, rocky exoplanets are the scorched cores of former gas giants
The planets are nestled close to their stars, where stellar winds may have blown ancient atmospheres away
NOT LIKE HOME Rocky super-Earth 55 Cancri e, seen in this artist’s illustration, is about Earth’s size, but a new study suggests it and other similar hot exoplanets probably formed in a completely different way than Earth did.
Hubble, ESA and M. Kornmesser