Centaur's Rocket Engine

In this image, engineers 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.

Image Credit: NASA

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Good Clear Skies
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Astrocomet
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Colin James Watling
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Profile: http://www.google.com/profiles/astrocomera
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Lat' 52.418056N Long' 1.719722E (Chimney Pot)
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Elev: 38ft/11.5824 Meters above sea level
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Real Astronomer and head of the Comet section for LYRA (Lowestoft and Great Yarmouth Regional Astronomers) also head of K.A.G (Kessingland Astronomy Group) and Navigator (Astrogator) of the Stars (Fieldwork)
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Web: http://lyra.freewebsites.com/
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Information: http://www.clubbz.com/club/2895/LOWESTOFT---3054/Lowestoft%20And%20Great%20Yarmouth%20Regional%20Astronomers%20(Lyra