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815 Matching Results
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Space Exploration: Overview of President Bush's New Exploration Initiative for NASA, and Key Issues for Congress
Report detailing the new goals for the National Aeronautics and Space Administration, including budget changes, public reaction, and more.
Date:
September 10, 2004
Creator:
Smith, Marcia S.
Object Type:
Report
System:
The UNT Digital Library
Space Exploration: Overview of President Bush's "Vision for Space Exploration," and Key Issues for Congress
Report detailing the vision for space exploration, including budget changes for NASA, public reaction, and more.
Date:
December 10, 2004
Creator:
Smith, Marcia S.
Object Type:
Report
System:
The UNT Digital Library
[The National Aeronautics and Space Administration: Overview, FY2005 Budget in Brief, and Key Issues for Congress, December 10, 2004]
This report discusses the budget for the fiscal year of 2005 and the requests of the National Aeronautics and Space Administration. Updated December 10, 2004.
Date:
December 10, 2004
Creator:
Smith, Marcia S. & Morgan, Daniel
Object Type:
Report
System:
The UNT Digital Library
The National Aeronautics and Space Administration’s FY2005 Budget Request: Description, Analysis, and Issues for Congress
This report analyzes the proposed budget of the fiscal year of 2005 and the requests of the National Aeronautics and Space Administration. Updated December 10, 2004.
Date:
December 10, 2004
Creator:
Smith, Marcia S. & Morgan, Daniel
Object Type:
Report
System:
The UNT Digital Library
Disturbance of isotope systematics in meteorites during shock and thermal metamorphism and implications for shergottite chronology
Shock and thermal metamorphism of meteorites from differentiated bodies such as the Moon and Mars have the potential to disturb chronometric information contained in these meteorites. In order to understand the impact-related mechanisms and extent of disturbance to isochrons, we undertook experiments to shock and heat samples of 10017, a 3.6 billion year old lunar basalt. One sub-sample was shocked to 55 GPa, a second subsample was heated to 1000 C for one week, and a third sub-sample was maintained as a control sample. Of the isotope systems analyzed, the Sm-Nd system was the least disturbed by shock or heat, followed by the Rb-Sr system. Ages represented by the {sup 238}U-{sup 206}Pb isotope system were degraded by shock and destroyed with heating. In no case did either shock or heating alone result in rotated or reset isochrons that represent a spurious age. In some cases the true crystallization age of the sample was preserved, and in other cases age information was degraded or destroyed. Although our results show that neither shock nor thermal metamorphism alone can account for the discordant ages represented by different isotope systems in martian meteorites, we postulate that shock metamorphism may render a meteorite more susceptible …
Date:
December 10, 2008
Creator:
Gaffney, Amy M.; Borg, Lars E. & Asmerom, Yemane
Object Type:
Article
System:
The UNT Digital Library
Summary of the report of the Senior Committee on Environmental, Safety, and Economic Aspects of Magnetic Fusion Energy
The Senior Committee on Environmental, Safety, and Economic Aspects of Magnetic Fusion Energy (ESECOM) has assessed magnetic fusion energy's prospects for providing energy with economic, environmental, and safety characteristics that would be attractive compared with other energy sources (mainly fission) available in the year 2015 and beyond. ESECOM gives particular attention to the interaction of environmental, safety, and economic characteristics of a variety of magnetic fusion reactors, and compares them with a variety of fission cases. Eight fusion cases, two fusion-fission hybrid cases, and four fission cases are examined, using consistent economic and safety models. These models permit exploration of the environmental, safety, and economic potential of fusion concepts using a wide range of possible materials choices, power densities, power conversion schemes, and fuel cycles. The ESECOM analysis indicates that magnetic fusion energy systems have the potential to achieve costs-of-electricity comparable to those of present and future fission systems, coupled with significant safety and environmental advantages. 75 refs., 2 figs., 24 tabs.
Date:
September 10, 1987
Creator:
Holdren, J. P.; Berwald, D. H.; Budnitz, R. J.; Crocker, J. G.; Delene, J. G.; Endicott, R. D. et al.
Object Type:
Report
System:
The UNT Digital Library
The Wynnewood Gazette (Wynnewood, Okla.), Vol. 95, No. 14, Ed. 1 Thursday, July 10, 1997
Weekly newspaper from Wynnewood, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 10, 1997
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
U.S. Space Programs: Civilian, Military, and Commercial
None
Date:
July 10, 2003
Creator:
Smith, Marcia S.
Object Type:
Report
System:
The UNT Digital Library
Space Stations
None
Date:
February 10, 2003
Creator:
Smith, Marcia S.
Object Type:
Report
System:
The UNT Digital Library
Space Stations
None
Date:
April 10, 2003
Creator:
Smith, Marcia S.
Object Type:
Report
System:
The UNT Digital Library
DESERT PAVEMENTS AND SOILS ON BASALTIC PYROCLASTIC DEPOSITS AT LATHROP WELLS AND RED CONE VOLCANOES, SOUTHERN NEVADA
Formation of desert pavement and accretionary soils are intimately linked in arid environments such as the Mojave Desert. Well-sorted fallout scoria lapilli at Lathrop Wells (75-80 ky) and Red Cone ({approx}1 Ma) volcanoes (southern Nevada) formed an excellent starting material for pavement, allowing infiltration of eolian silt and fine sand that first clogs the pore space of underlying tephra and then aggrades and develops vesicular A (Av) horizons. Variations in original pyroclast sizes provide insight into minimum and maximum clast sizes that promote pavement and soil formation: pavement becomes ineffective when clasts can saltate under the strongest winds, while clasts larger than coarse lapilli are unable to form an interlocking pavement that promotes silt accumulation (necessary for Av development). Contrary to predictions that all pavements above altitudes of {approx}400 m would have been ''reset'' in their development after late Pleistocene vegetation advances (about 15 ka), the soils and pavements show clear differences in maturity between the two volcanoes. This indicates that either the pavement soils develop slowly over many 10,000's of years and then are very stable, or that, if they are disrupted by vegetation advances, subsequent pavements are reestablished with successively more mature characteristics.
Date:
August 10, 2005
Creator:
Valentine, G.A. & Harrington, C.D.
Object Type:
Report
System:
The UNT Digital Library
Space Stations
None
Date:
September 10, 2003
Creator:
Smith, Marcia S.
Object Type:
Report
System:
The UNT Digital Library
Mineral Wells Index (Mineral Wells, Tex.), Vol. 114, No. 26, Ed. 1 Tuesday, June 10, 2014
Daily newspaper from Mineral Wells, Texas that includes local, state and national news along with advertising.
Date:
June 10, 2014
Creator:
May, David
Object Type:
Newspaper
System:
The Portal to Texas History
The Oklahoma Daily (Norman, Okla.), Vol. 85, No. 18, Ed. 1 Monday, September 10, 2001
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
September 10, 2001
Creator:
Johnson, Jennifer
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, June 10, 2014
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 10, 2014
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Thursday, June 10, 2010
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 10, 2010
Creator:
Wray, Kelly
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Federal Research and Development Funding: FY2016
This report begins with a discussion of the overall level of the President's FY2016 R&D request, followed by analyses of the R&D funding request from a variety of perspectives. The report concludes with discussion and analysis of the R&D budget requests of selected federal departments and agencies.
Date:
November 10, 2015
Creator:
Sargent, John F., Jr.
Object Type:
Report
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Thursday, June 10, 2021
Triweekly newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 10, 2021
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Mount Pleasant Tribune (Mount Pleasant, Tex.), Vol. 143, No. 76, Ed. 1 Saturday, June 10, 2017
Semiweekly newspaper from Mount Pleasant, Texas that includes local, state, and national news along with advertising.
Date:
June 10, 2017
Creator:
Bachman, Marty
Object Type:
Newspaper
System:
The Portal to Texas History
The Altus Times (Altus, Okla.), Vol. 111, No. 240, Ed. 1 Wednesday, June 10, 2009
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 10, 2009
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The National Aeronautics and Space Administration: Overview, FY2005 Budget in Brief, and Key Issues for Congress
None
Date:
May 10, 2004
Creator:
Smith, Marcia S. & Morgan, Daniel
Object Type:
Report
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Friday, June 10, 2011
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
June 10, 2011
Creator:
DeSilver, Debi
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 72, No. 49, Ed. 1 Sunday, November 10, 1985
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 10, 1985
Creator:
Lake, Charles S.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Baytown Sun (Baytown, Tex.), Vol. 91, No. 113, Ed. 1 Friday, June 10, 2011
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
June 10, 2011
Creator:
Gray, Janie
Object Type:
Newspaper
System:
The Portal to Texas History