Did Webb detect an atmosphere in the hot SuperEarth 55 Cancri e? – Sky and telescope
An artist's illustration of 55 Cancri e shows a planet covered in lava flows, with only a wisp of rock vapor for an atmosphere. But new JWST data suggests that 55 Cancri e could have a thick atmosphere. ESA / Hubble, M. Kornmesser The hot super-Earth 55 Cancri e, which orbits its yellow-orange star every