Aurora elders from watching or interpreting the messages of ancestors they believed were transmitted through an aurora. "[[Bulfinch's Mythology]]" relates that in [[Norse mythology]], the armour of the [[Valkyrie|Valkyrior]] "sheds a strange flickering light, which flashes up over the northern skies, making what Men call the 'aurora borealis', or 'Northern Lights' ". There appears to be no evidence in [[Old Norse literature]] to substantiate this assertion. The first Old Norse account of "norðrljós" is found in the Norwegian chronicle "[[Konungs Skuggsjá]]" from AD 1230. The chronicler has heard about this phenomenon from compatriots returning from [[Greenland]], and he gives three possible
Aurora Borealis (icebreaker) a slightly smaller and cheaper (less than 500-million-euro) version, "Aurora Slim", has been suggested by the Finnish engineering company Aker Arctic. The most prominent change from "Aurora Borealis" to "Aurora Slim" is that the insulated drilling rig is no longer present. The scientist have to rely on a mobile system and shallower boreholes of a few hundred metres instead of more than . She will also have only a single moon pool instead of two as in the original concept. Like the original concept, the vessel is designed to break level ice up to in thickness. However, the dynamical positioning