https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13966372Edit ImageSaveSaveEditCropCustom TextAstronomy: a diagram of a suggested explanation of the Aurora Borealis. Lithograph after Sir J. Ross.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 876 px | 300 dpiLarge JPEG 3150 x 2300 px | 300 dpiFree DownloadAstronomy: a diagram of a suggested explanation of the Aurora Borealis. Lithograph after Sir J. Ross.More