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facebook chat offline ipad app Mars' north polar cap looks like a gigantic spiral of ice and snow. This simulated overflight of the North Pole reveals its permanent ice cap and large Chasma Boreale truogh. facebook chat ipad without app For years now, scientists from the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) have conducted research at the Plataforma Solar de Almería (PSA) in the south of Spain, which is operated by partner organisation CIEMAT (Centre for Energy, Environment and Technology).