Operations image of the week: High above the majestic ‘Dirdle Door’ rock formation in Dorset, comet 46P/Wirtanen hurries by – an alien rock formation once destined to be visited by ESA’s Rosetta mission
Operations image of the week: High above the majestic ‘Dirdle Door’ rock formation in Dorset, comet 46P/Wirtanen hurries by – an alien rock formation once destined to be visited by ESA’s Rosetta mission