https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13994190Edit ImageSaveSaveEditCropCustom TextAstronomy: an astronomer [] in his study, holding a globe. Lithograph by C. Hullmandel after Grattan.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 851 x 1200 px | 300 dpiLarge JPEG 2272 x 3204 px | 300 dpiFree DownloadAstronomy: an astronomer [] in his study, holding a globe. Lithograph by C. Hullmandel after Grattan.More