How ‘Hellish Planet’ Got So Hot: New Measurements Reveal Planet 55’s Orbital Trajectory Cnc e
An artist’s impression of the planet Janssen, which orbits so close to its star that its entire surface is an ocean of lava that reaches temperatures of around 2,000 degrees Celsius. Credit: ESA/Hubble, M. Kornmesser New research sheds light on how the “hellish planet” got so devilishly hot and how other worlds could become too …