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Title: Aurora Borealis, curtain aurora, Greenland
Caption: Aurora Borealis or Northern Lights. Curtain aurora observed from Greenland, 6 January 1861. Caused by high-speed particles ejected from the Sun, they are most commonly observed during periods of maximum sunspots. From "Die Naturkrafte" by M Wilhelm Meyer (Leipzig, 1903). Chromolithograph. (Photo by: Universal History Archive/UIG via Getty Images)
Category: UIG HISTORY
Credit: Album / Universal Images Group / Universal History Images \ UIG
Image size: 5100 × 3674 px | 53.6 MB
Print size: 43.2 × 31.1 cm | 2007.9 × 1446.5 in (300 dpi)