The atmosphere around ultra hot Jupiter-like exoplanet Wasp 33b contains aluminiumoxide The discovery has been made with the OSIRIS spectrograph at Gran Telescopio Canarias by a group of astronomers led by IFA's Carolina von Essen. Wasp 33b is an "Ultrahot Jupiter" with aluminumoxide in it's atmosphere 8 November 2018 by Ole J. Knudsen The press release from Instituto de Astrofisica de Canarias is here, and the full paper can be found here when it has been published in Astronomy and Astrophysics.