Hot, Jupiter-sized extrasolar planets often have cloud or haze layers in their atmospheres, and this may prevent astronomers from detecting atmospheric water, says a team of astronomers led by NASA’s Jet Propulsion Laboratory (JPL). Hot-Jupiter with hidden water. Image credit: NASA / JPL-Caltech. Scientists have found many hot-Jupiters — massive gaseous planets that orbit very close to their host stars — with water in their atmospheres,...
