Science never takes a break at Scott Base – not even on Christmas Eve. Ross, our elf near the shelf, has been taking measurements on the @niwa_nz Dobson spectrophotometer. It has been measuring the ozone layer directly above Arrival Heights since the 1980s! #Elfontheshelf AntarcticaNewZealand Mission Antarctica by @MissionAntarctica A @grttme project - Other backups: @Hallotme