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- Wake_Shield_Facility abstract "Wake Shield Facility is an experimental science platform that was placed in low Earth orbit by the Space Shuttle. It is a 3.7 meter (12 ft) diameter, free-flying stainless steel disk.The WSF was deployed in the wake of the Space Shuttle at an orbital altitude of over 300 kilometers (186 mi), within the thermosphere, where the atmosphere is exceedingly tenuous. The forward edge of the WSF disk redirected atmospheric and other particles around the sides, leaving an \"ultra-vacuum\" in its wake. The resulting vacuum was used to study epitaxial film growth.The WSF has flown into space three times, on board shuttle flights STS-60, STS-69 and STS-80. During STS-60, some hardware issues were experienced, and, as a result, the WSF was only deployed at the end of the shuttle's robotic arm. During the later missions, the WSF was deployed as a free-flying platform in the wake of the shuttle.These flights proved the vacuum wake concept, and realized the space epitaxy concept by growing the first-ever crystalline semiconductor thin films in the vacuum of space. These included gallium arsenide (GaAs) and aluminum gallium arsenide (AlGaAs) depositions. These experiments have been used to develop better photocells and thin films. Among the potential resulting applications are artificial retinas made from tiny ceramic detectors.Pre-flight calculations suggested that the pressure on the wake side could be decreased by some 6 orders of magnitude over the ambient pressure in low Earth orbit (from 10−8 to 10−14 Torr). Analysis of the pressure and temperature data gathered from the two flights concluded that the decrease was some 2 orders of magnitude (4 orders of magnitude less than expected).The Wake Shield is sponsored by the Space Processing Division in NASA's Office of Life and Microgravity Sciences and Applications. Wake Shield was designed, built and is operated by the Center for Advanced Materials (formerly Space Vacuum Epitaxy Center) at the University of Houston—a NASA Commercial Space Center—in conjunction with its industrial partner, Space Industries, Inc., also in Houston.".
- Wake_Shield_Facility thumbnail Wake_shield_facility.jpg?width=300.
- Wake_Shield_Facility wikiPageExternalLink WSF.php.
- Wake_Shield_Facility wikiPageExternalLink index.php.
- Wake_Shield_Facility wikiPageExternalLink wsfp.html.
- Wake_Shield_Facility wikiPageID "1802096".
- Wake_Shield_Facility wikiPageLength "4390".
- Wake_Shield_Facility wikiPageOutDegree "27".
- Wake_Shield_Facility wikiPageRevisionID "661189198".
- Wake_Shield_Facility wikiPageWikiLink Aluminium.
- Wake_Shield_Facility wikiPageWikiLink Canadarm.
- Wake_Shield_Facility wikiPageWikiLink Category:NASA_groups,_organizations,_and_centers.
- Wake_Shield_Facility wikiPageWikiLink Category:Space_Shuttle_program.
- Wake_Shield_Facility wikiPageWikiLink Category:Space_science.
- Wake_Shield_Facility wikiPageWikiLink Category:Spacecraft_launched_in_1994.
- Wake_Shield_Facility wikiPageWikiLink Category:Spacecraft_launched_in_1995.
- Wake_Shield_Facility wikiPageWikiLink Category:Spacecraft_launched_in_1996.
- Wake_Shield_Facility wikiPageWikiLink Ceramic.
- Wake_Shield_Facility wikiPageWikiLink Epitaxy.
- Wake_Shield_Facility wikiPageWikiLink Gallium_arsenide.
- Wake_Shield_Facility wikiPageWikiLink Houston.
- Wake_Shield_Facility wikiPageWikiLink Low_Earth_orbit.
- Wake_Shield_Facility wikiPageWikiLink NASA.
- Wake_Shield_Facility wikiPageWikiLink Photodetector.
- Wake_Shield_Facility wikiPageWikiLink STS-60.
- Wake_Shield_Facility wikiPageWikiLink STS-69.
- Wake_Shield_Facility wikiPageWikiLink STS-80.
- Wake_Shield_Facility wikiPageWikiLink Space_Industries_Incorporated.
- Wake_Shield_Facility wikiPageWikiLink Space_Shuttle.
- Wake_Shield_Facility wikiPageWikiLink Space_Vacuum_Epitaxy_Center.
- Wake_Shield_Facility wikiPageWikiLink Space_manufacturing.
- Wake_Shield_Facility wikiPageWikiLink Stainless_steel.
- Wake_Shield_Facility wikiPageWikiLink Thermosphere.
- Wake_Shield_Facility wikiPageWikiLink Thin_film.
- Wake_Shield_Facility wikiPageWikiLink University_of_Houston.
- Wake_Shield_Facility wikiPageWikiLink File:Wake_shield_facility.jpg.
- Wake_Shield_Facility wikiPageWikiLinkText "WSF".
- Wake_Shield_Facility wikiPageWikiLinkText "Wake Shield Facility".
- Wake_Shield_Facility wikiPageWikiLinkText "Wake Shield".
- Wake_Shield_Facility wikiPageUsesTemplate Template:Clear.
- Wake_Shield_Facility wikiPageUsesTemplate Template:Orbital_launches_in_1994.
- Wake_Shield_Facility wikiPageUsesTemplate Template:Orbital_launches_in_1995.
- Wake_Shield_Facility wikiPageUsesTemplate Template:Orbital_launches_in_1996.
- Wake_Shield_Facility wikiPageUsesTemplate Template:Portal.
- Wake_Shield_Facility wikiPageUsesTemplate Template:Reflist.
- Wake_Shield_Facility subject Category:NASA_groups,_organizations,_and_centers.
- Wake_Shield_Facility subject Category:Space_Shuttle_program.
- Wake_Shield_Facility subject Category:Space_science.
- Wake_Shield_Facility subject Category:Spacecraft_launched_in_1994.
- Wake_Shield_Facility subject Category:Spacecraft_launched_in_1995.
- Wake_Shield_Facility subject Category:Spacecraft_launched_in_1996.
- Wake_Shield_Facility hypernym Platform.
- Wake_Shield_Facility type Company.
- Wake_Shield_Facility type Event.
- Wake_Shield_Facility type Event.
- Wake_Shield_Facility type Facility.
- Wake_Shield_Facility type Program.
- Wake_Shield_Facility type Programme.
- Wake_Shield_Facility type Science.
- Wake_Shield_Facility type Spaceplane.
- Wake_Shield_Facility comment "Wake Shield Facility is an experimental science platform that was placed in low Earth orbit by the Space Shuttle. It is a 3.7 meter (12 ft) diameter, free-flying stainless steel disk.The WSF was deployed in the wake of the Space Shuttle at an orbital altitude of over 300 kilometers (186 mi), within the thermosphere, where the atmosphere is exceedingly tenuous. The forward edge of the WSF disk redirected atmospheric and other particles around the sides, leaving an \"ultra-vacuum\" in its wake.".
- Wake_Shield_Facility label "Wake Shield Facility".
- Wake_Shield_Facility sameAs Q3565229.
- Wake_Shield_Facility sameAs Wake_Shield_Facility.
- Wake_Shield_Facility sameAs Wake_Shield_Facility.
- Wake_Shield_Facility sameAs m.05y4_q.
- Wake_Shield_Facility sameAs Q3565229.
- Wake_Shield_Facility wasDerivedFrom Wake_Shield_Facility?oldid=661189198.
- Wake_Shield_Facility depiction Wake_shield_facility.jpg.
- Wake_Shield_Facility isPrimaryTopicOf Wake_Shield_Facility.