https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/440109Edit ImageSaveSaveEditCropCustom TextSt. Patrick's aurora, a green aurora taken at Donnelly Creek, Alaska, March 17th, 2015. Original from NASA. Digitally enhanced by rawpixel.MorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 801 x 1200 px | 300 dpiLarge JPEG 1367 x 2048 px | 300 dpiTIFF 1367 x 2048 px | 300 dpi | 16.06 MBFree DownloadSt. Patrick's aurora, a green aurora taken at Donnelly Creek, Alaska, March 17th, 2015. Original from NASA. Digitally enhanced by rawpixel.More