New research sheds light on how the “hell planet” got so devilishly hot and how other worlds might become too toasty for life. That rocky world, 55 Cnc e (nicknamed “Janssen”), orbits its star so closely that a year lasts just 18 hours, its surface is a giant lava ocean, and its interior may be chock-full of diamond.
Click here for original story, How the ‘hell planet’ got so hot: New measurements reveal the orbital path of planet 55 Cnc e
Source: Phys.org