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m Removed Category:Pasadena, California; Adding category Category:Buildings and structures in Pasadena, California (using HotCat)
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m Citations: [Pu168] added: postscript. Unified citation types. You can use this bot yourself! Report bugs here.
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The '''Twenty-Five-Foot Space Simulator''' is an {{convert|85|ft|m|sing=on}} high<ref name="nhlwriteup">[http://www.nr.nps.gov/writeups/85002812.nl.pdf NHL Writeup]</ref> stainless-steel cylinder at the [[Jet Propulsion Laboratory]] in [[Pasadena, California]]. {{convert|27|ft|m}} in diameter, it is used for testing spacecraft in space-like conditions of extreme cold, near-vacuum pressure, and high radiation. [[Ranger program|Ranger]], [[Surveyor Program|Surveyor]], [[Mariner program|Mariner]], and [[Voyager program|Voyager]] spacecraft were all tested in this facility.
It was declared a [[National Historic Landmark]] in 1985.<ref name="nhlsum"/><ref name="nrhpinv2">{{
==References==
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