A team of astronomers from the University of Groningen, the University of Edinburgh, and SRON Netherlands Institute for Space Research has detected chromium hydride (CrH) in the transmission spectra of the hot-Jupiter exoplanet WASP-31b. An artist’s impression of a hot-Jupiter exoplanet. Image credit: ESA / ATG Medialab / CC BY-SA 3.0 IGO. WASP-31b orbits the 1-billion-year-old F-type star WASP-31, which is located about 1,305 light-years away in...