TY - JOUR AU - Montes GutiƩrrez, David PY - 2018 DO - 10.1126/science.aat5348 SN - 0036-8075 UR - https://hdl.handle.net/20.500.14352/13138 T2 - Science AB - Hot gas giant exoplanets can lose part of their atmosphere due to strong stellar irradiation, affecting their physical and chemical evolution. Studies of atmospheric escape from 2 exoplanets have mostly relied on space-based observations of the... LA - eng M2 - 1388 PB - Amer Assoc Advancement Science KW - Bright K-star KW - Orbital motion KW - Giant planet KW - Hot KW - Transits KW - Angstrom KW - Water KW - Line KW - Spin TI - Ground-based detection of an extended helium atmosphere in the Saturn-mass exoplanet WASP-69b TY - journal article VL - 362 ER -