DLR, Scienza, Spazio Flying over Mars’ north polar cap 11 May 2017 fborgosano Leave a comment Share: Mars’ north polar cap looks like a gigantic spiral of ice and snow. Dark troughs are interspersed with ice-clad hills. This simulated overflight of the North Pole reveals its permanent ice cap and large Chasma Boreale truogh. from DLR Portal – News Archive bit.ly/2q6fKG3 Share: