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841 Matching Results
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Mars Rover RTG Study
This report summarizes the results of a Radioisotope Thermoelectric Generator (RTG) design study conducted by Fairchild Space Company at the direction of the U.S. Department of Energy's Office of SpecialApplications, in suppport of the Mars Rover and Sample Return mission under investigation at NASA's Jet Propulsion Laboratory. The report is a rearranged, updated, and significantly expanded amalgam of three interrelated papers presented at the 24th Intersocity Energy Conversion Engineering Conference (IECEC) at Arlington, Virginia, on August 10, 1989.
Date:
August 25, 1989
Creator:
Schock, Alfred
Object Type:
Report
System:
The UNT Digital Library
Near earth object fuels (neo-fuels): Discovery, prospecting and use
The 1992 discovery of a water-ice, near-Earth object (NEO) in the space near Earth is evaluated as a source of rocket fuel and life support materials for Earth orbit use. Nuclear thermal rockets using steam propellant are evaluated and suggested. The space geological formation containing such water-rich NEO`s is described. An architecture couples near-Earth object fuels (neo-fuel) extraction with use in Earth orbits. Preliminary mass payback analyses show that space tanker systems fueled from space can return in excess of 100 times their launched mass from the NEO, per trip. Preliminary cost estimates indicate neo-fuel costs at Earth orbit can be 3 orders of magnitude below today`s cost. A suggested resource verification plan is presented.
Date:
August 25, 1992
Creator:
Zuppero, A. C. & Jacox, M. G.
Object Type:
Article
System:
The UNT Digital Library
Near earth object fuels (neo-fuels): Discovery, prospecting and use
The 1992 discovery of a water-ice, near-Earth object (NEO) in the space near Earth is evaluated as a source of rocket fuel and life support materials for Earth orbit use. Nuclear thermal rockets using steam propellant are evaluated and suggested. The space geological formation containing such water-rich NEO's is described. An architecture couples near-Earth object fuels (neo-fuel) extraction with use in Earth orbits. Preliminary mass payback analyses show that space tanker systems fueled from space can return in excess of 100 times their launched mass from the NEO, per trip. Preliminary cost estimates indicate neo-fuel costs at Earth orbit can be 3 orders of magnitude below today's cost. A suggested resource verification plan is presented.
Date:
August 25, 1992
Creator:
Zuppero, A. C. & Jacox, M. G.
Object Type:
Article
System:
The UNT Digital Library
NASA Supplier Base: Challenges Exist in Transitioning from the Space Shuttle Program to the Next Generation of Human Space Flight Systems
A letter report issued by the Government Accountability Office with an abstract that begins "The Space Shuttle Program is currently supported by over 1,500 active suppliers, some of whom are the only known or certified source of a particular material, part or service. The retirement of the Shuttle and transition to planned exploration activities, as called for in the President's Vision for Space Exploration, creates the need for NASA to begin making decisions today about its supplier base needs for the future. GAO was asked to (1) describe NASA's plans and processes for managing its supplier base through the Shuttle's retirement and the transition to the Constellation's exploration activities; (2) address factors that could impact the effectiveness of those plans and processes; and (3) identify any other issues that NASA will likely encounter as the agency transitions to and implements the Constellation Program."
Date:
July 25, 2007
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
U.S. Space Programs: Civilian, Military, and Commercial
None
Date:
February 25, 2003
Creator:
Smith, Marcia S.
Object Type:
Report
System:
The UNT Digital Library
The Wynnewood Gazette (Wynnewood, Okla.), Vol. 95, No. 25, Ed. 1 Thursday, September 25, 1997
Weekly newspaper from Wynnewood, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 25, 1997
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Perry Daily Journal (Perry, Okla.), Vol. 84, No. 21, Ed. 1 Friday, February 25, 1977
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 25, 1977
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Wynnewood Gazette (Wynnewood, Okla.), Vol. 96, No. 12, Ed. 1 Thursday, June 25, 1998
Weekly newspaper from Wynnewood, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 25, 1998
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Baytown Sun (Baytown, Tex.), Vol. 89, No. 206, Ed. 1 Saturday, July 25, 2009
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
July 25, 2009
Creator:
Clements, Clifford E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Express-Star (Chickasha, Okla.), Ed. 1 Saturday, January 25, 2014
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 25, 2014
Creator:
Bright, James
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Space Launch Vehicles: Government Activities, Commercial Competition, and Satellite Exports
This report includes information regarding space launch vehicles. Launch vehicle policy, vehicle programs and issues, and the U.S. commercial launch service industry are among topics discussed in this report.
Date:
June 25, 2004
Creator:
Smith, Marcia S.
Object Type:
Report
System:
The UNT Digital Library
The Megaphone (Georgetown, Tex.), Vol. 98, No. 20, Ed. 1 Thursday, March 25, 2004
Weekly student newspaper from Southwestern University in Georgetown, Texas that includes campus news along with advertising.
Date:
March 25, 2004
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Space Launch Vehicles: Government Activities, Commercial Competition, and Satellite Exports
None
Date:
April 25, 2005
Creator:
Smith, Marcia S.
Object Type:
Report
System:
The UNT Digital Library
The Optimist (Abilene, Tex.), Vol. 64, No. 21, Ed. 1, Friday, February 25, 1977
Weekly student newspaper from Abilene Christian University in Abilene, Texas that includes local, state and campus news along with advertising.
Date:
February 25, 1977
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Chickasha Daily Express (Chickasha, Okla.), Vol. 97, No. 116, Ed. 1 Monday, July 25, 1988
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 25, 1988
Creator:
Drew, Charles C.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Gainesville Daily Register (Gainesville, Tex.), Vol. 98, No. 280, Ed. 1 Monday, July 25, 1988
Daily newspaper from Gainesville, Texas that includes local, state, and national news along with advertising.
Date:
July 25, 1988
Creator:
Williams, Eric
Object Type:
Newspaper
System:
The Portal to Texas History
Federal Research and Development Funding: FY2007
None
Date:
January 25, 2007
Creator:
Davey, Michael E.; Matthews, Christine M.; Moteff, John D.; Morgan, Daniel; Schacht, Wendy H.; Smith, Pamela W. et al.
Object Type:
Report
System:
The UNT Digital Library
Pawhuska Daily Journal-Capital (Pawhuska, Okla.), Vol. 57, No. 40, Ed. 1 Friday, February 25, 1966
Daily newspaper from Pawhuska, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 25, 1966
Creator:
Spencer, Frank
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Pawhuska Daily Journal-Capital (Pawhuska, Okla.), Vol. 66, No. 39, Ed. 1 Tuesday, February 25, 1975
Daily newspaper from Pawhuska, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 25, 1975
Creator:
Spencer, Frank
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
University Press (Beaumont, Tex.), Vol. 77, No. 14, Ed. 1 Wednesday, October 25, 2000
Semiweekly newspaper from Lamar University in Beaumont, Texas that includes local, national, and campus news along with advertising.
Date:
October 25, 2000
Creator:
Cobb, Joshua
Object Type:
Newspaper
System:
The Portal to Texas History
The Perry Daily Journal (Perry, Okla.), Vol. 94, No. 90, Ed. 1 Monday, May 25, 1987
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
May 25, 1987
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Iraq: Oil and Gas Legislation, Revenue Sharing, and U.S. Policy
None
Date:
July 25, 2007
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The Altus Times-Democrat (Altus, Okla.), Vol. 39, No. 95, Ed. 1 Monday, January 25, 1965
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
January 25, 1965
Creator:
Buckley, Callaway
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Brenham Banner-Press (Brenham, Tex.), Vol. 97, No. 146, Ed. 1 Wednesday, July 25, 1962
Daily newspaper from Brenham, Texas that includes local, state, and national news along with advertising.
Date:
July 25, 1962
Creator:
Blanton, Ben F.
Object Type:
Newspaper
System:
The Portal to Texas History