UNIVERSITY PARK, Pa., May 20 -- Pennsylvania State University issued the following news release:
UNIVERSITY PARK, Pa. - A planet that is about the size of Saturn, but with a temperature more like Earth's, has an atmosphere rich in methane, according to a new study using NASA's James Webb Space Telescope (JWST). Unlike the gas giant planets - Jupiter and Saturn - in Earth's solar system, which are distant from the sun and therefore extremely cold, and so-called "hot Jupiters" - giant planets beyond the solar system that are scorching hot due to their proximity to the stars they orbit - the planet is one of only a handful of known temperate, giant planets and the first to have its atmosphere analyzed. The new details about the composition of...