Prehistoric Yucatan Impact Crater: 'The infamous K-T impact event 65 million years ago (64.98 plus or minus 50,000 years), imagined here just as the bolide strikes, as seen by some high flying Pteranodons. Artwork for NASA by Don Davis. Acrylics and airbrush inks on board.' (nicknamed the Dino Killer) ARC-1991-AC91-0257

Free Space artwork and designs. Since its creation in 1958, NASA has been taking copyright-free pictures of the Earth, the Moon, the planets, and other astronomical objects inside and outside our Solar System. Under United States copyright law, works created by the U.S. federal government or its agencies, such as NASA are in public domain and cannot be copyrighted. NASA pictures are legally in the public domain.