The Kepler-51 system hosts three ultra-light "super-puff" planets with massive atmospheres and tiny cores. New JWST observations failed to detect atmospheric signatures, suggesting thick... .
Astronomers have spotted a planet orbiting a star in our neighborhood of the Milky Way galaxy that presents a unique hellscape – covered with a perpetual ocean of magma and enveloped by a noxious and fiercely hot sulfur-rich atmosphere.
Astronomers studying the distant Kepler-51 system have been left puzzled after the James Webb Space Telescope failed to detect expected atmospheric signatures on its unusual “super-puff” planets.