https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13951119Edit ImageSaveSaveEditCropCustom TextAstronomy: the Aurora Borealis, with a reindeer-drawn sledge in the foreground. Coloured wood engraving by C. Whymper.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 921 px | 300 dpiLarge JPEG 3066 x 2352 px | 300 dpiFree DownloadAstronomy: the Aurora Borealis, with a reindeer-drawn sledge in the foreground. Coloured wood engraving by C. Whymper.More