The discovery of the Narsarsuaq disc (Uunartoq, Greenland) in 1948 sparked a long discussion on the identification of wooden discs as solar compasses used by the Vikings during sea voyages across the Atlantic. At the beginning of the 21st century, two similar artefacts were found in Wolin and Truso (Poland). Through a detailed analysis of those artefacts, the author indicates that hypotheses made so far do not have any grounds in historical and archaeological sources. Each of the discussed artefacts had a different function and should not be associated with navigation.

中文翻译：

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维京人如何穿越北大西洋？“太阳罗盘”的重新诠释-Narsarsuaq，Wolin，Truso

1948年发现了Narsarsuaq圆盘（格陵兰的Uunartoq），引发了关于将木制圆盘识别为维京人穿越大西洋航行时使用的太阳罗盘的长期讨论。在21世纪初，在沃林和特鲁索（波兰）发现了两个类似的文物。通过对这些文物的详细分析，作者指出，迄今为止所作的假设在历史和考古资料中没有任何根据。所讨论的每件文物都具有不同的功能，不应与导航相关联。