Engineers Working on Pratt and Whitney Rocket Engine Lithograph and a village

and a village

The Crab Nebula is a six-light-year-wide expanding remnant of a star's supernova explosion

Brandberg Massif is an important habitat for high-altitude savannah species and is of great archaeological interest due to the many prehistoric cave paintings found among its granite cliffs

in Mecklenburg-Western Pomerania

another day warm so-o-o the photographer brought home a 'hot cool' picture - left to right: Margaret Scott

Engineers Working on Pratt and Whitney Rocket Engine Lithograph and a villageEngineers test the RL 10 engine in NASA Lewis (now Glenn) Research Center's Propulsion Systems Laboratory. Developed by Pratt & Whitney, the engine was designed to power the Centaur second stage rocket. Centaur was responsible for sending the Surveyor spacecraft on its mission to land on the moon and to explore the surface in the early stages of the Apollo Program.