Illustration of the seal of NASA from s:Executive Order 10849 (which defined the seal). The design is described, after being slightly modified by s:Executive Order 10942, as:

On a disc of the blue sky strewn with white stars, to dexter a large yellow sphere bearing a red flight symbol apex in upper sinister and wings enveloping and casting a brown shadow upon the sphere, all partially encircled with a horizontal white orbit, in sinister a small light-blue sphere; circumscribing the disc a white band edged gold inscribed "National Aeronautics and Space Administration U.S.A." in red letters.