A Hubble Space Telescope image of the R136 super star cluster, near the center of the 30 Doradus Nebula, also known as the… https://www.rawpixel.com/image/8718139/photo-image-space-public-domain-starsFree Image from public domain licenseU.S. Army Paratroopers, assigned to 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade, run through smoke on the… https://www.rawpixel.com/image/3315596/free-photo-image-army-battle-cc0Free Image from public domain licenseAlthough there are no seasons in space, this cosmic vista invokes thoughts of a frosty winter landscape. It is, in fact, a… https://www.rawpixel.com/image/8718105/photo-image-clouds-space-lightFree Image from public domain license Late-December view of western South Dakota's Badlands National Park, southeast of Rapid City, when… https://www.rawpixel.com/image/8042149/photo-image-cloud-sunset-plantFree Image from public domain licenseA U.S. Army UH-60Q Dustoff helicopter lands at Qayyarah West Airfield, Iraq, Nov. 19, 2016. https://www.rawpixel.com/image/8729540/photo-image-smoke-sky-public-domainFree Image from public domain licenseThe two-faced whirlpool galaxy is a dense dust in M51, comprised of the narrow lanes of dust revealed by Hubble reflect the… https://www.rawpixel.com/image/440270/free-photo-image-nasa-sun-galaxyFree Image from public domain license