first Postdoctoral Research Fellowship in England – There I learned to include a ‘u’ in words like colour • Astronomers tend to have postdoc appointments for 2-7(!) years before settling in at a faculty job teaching at a university William Herschel Telescope, Canary Islands, Spain
SiO2 , CaO, TiO2 , Cr2 O3 , MnO, FeO, Fe2 O3 , ... Anything Else = CO2 , H2 O Farihi et al. 2013; Raddi et al. 2015 Very little Carbon, so excess Oxygen likely H2 O! White Dwarf GD 61 Two specific white dwarfs have rocks, maybe worlds, that are roughly 25-40% water!