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771 Matching Results
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Potential Health Risks From Postulated Accidents Involving the Pu-238 RTG (Radioisotope Thermoelectric Generator) on the Ulysses Solar Exploration Mission
Potential radiation impacts from launch of the Ulysses solar exploration experiment were evaluated using eight postulated accident scenarios. Lifetime individual dose estimates rarely exceeded 1 mrem. Most of the potential health effects would come from inhalation exposures immediately after an accident, rather than from ingestion of contaminated food or water, or from inhalation of resuspended plutonium from contaminated ground. For local Florida accidents (that is, during the first minute after launch), an average source term accident was estimated to cause a total added cancer risk of up to 0.2 deaths. For accidents at later times after launch, a worldwide cancer risk of up to three cases was calculated (with a four in a million probability). Upper bound estimates were calculated to be about 10 times higher. 83 refs.
Date:
November 2, 1990
Creator:
Goldman, M. (California Univ., Davis, CA (USA)); Nelson, R.C. (EG and G Idaho, Inc., Idaho Falls, ID (USA)); Bollinger, L. (Air Force Inspection and Safety Center, Kirtland AFB, NM (USA)); Hoover, M.D. (Lovelace Biomedical and Environmental Research Inst., Albuquerque, NM (USA). Inhalation Toxicology Research Inst.); Templeton, W. (Pacific Northwest Lab., Richland, WA (USA)) & Anspaugh, L. (Lawren
Object Type:
Article
System:
The UNT Digital Library
Apollo Goals and Accomplishments: The United States Project to Explore the Moon
This report provides an overview of the Apollo space program to explore the Moon. Topics covered include the purposes of the program, its history, technology, flight plans, successes, and future missions.
Date:
January 2, 1970
Creator:
Sheldon, Charles S.
Object Type:
Report
System:
The UNT Digital Library
An alternative strategy for low specific power reactors to power interplanetary spacecraft, based on exploiting lasers and lunar resources
A key requirement setting the minimum electric propulsion performance (specific power ..cap alpha../sub e/ = kW/sub e//kg) for manned missions to Mars is the maximum allowable radiation dose to the crew during the long transits between Earth and Mars. Penetrating galactic cosmic rays and secondary neutron showers give about 0.1-rem/day dose, which only massive shielding (e.g., a meter of concrete) can reduce significantly. With a humane allowance for cabin space, the shielding mass becomes so large that it prohibitively escalates the propellant consumption required for reasonable trip times. This paper covers various proposed methods for using reactor power to propel spacecraft. 7 refs., 6 figs., 1 tab.
Date:
February 2, 1989
Creator:
Logan, B. G.
Object Type:
Report
System:
The UNT Digital Library
NASA: Assessments of Selected Large-Scale Projects
Other written product issued by the Government Accountability Office with an abstract that begins "The National Aeronautics and Space Administration (NASA) plans to invest billions in the coming years in science and exploration space fl ight initiatives. The scientifi c and technical complexities inherent in NASA's mission create great challenges in managing its projects and controlling costs. In the past, NASA has had diffi culty meeting cost, schedule, and performance objectives for some of its projects. The need to effectively manage projects will gain even more importance as NASA seeks to manage its wide-ranging portfolio in an increasingly constrained fiscal environment. Per congressional direction, this report provides an independent assessment of selected NASA projects. In conducting this work, GAO compared projects against best practice criteria for system development including attainment of knowledge on technologies and design as well as various aspects of program management. The projects assessed are considered major acquisitions by NASA--each with a life-cycle cost of over $250 million. No recommendations are provided."
Date:
March 2, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
U.S. Space Programs: Civilian, Military, and Commercial
None
Date:
September 2, 2003
Creator:
Smith, Marcia S.
Object Type:
Report
System:
The UNT Digital Library
Space Stations
None
Date:
September 2, 2003
Creator:
Smith, Marcia S.
Object Type:
Report
System:
The UNT Digital Library
The Wynnewood Gazette (Wynnewood, Okla.), Vol. 96, No. 13, Ed. 1 Thursday, July 2, 1998
Weekly newspaper from Wynnewood, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 2, 1998
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Tulia Herald (Tulia, Tex.), Vol. 92, No. 44, Ed. 1 Thursday, November 2, 2000
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
November 2, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The International Space Station and the Space Shuttle
This report provides an overview of the international space station and the space shuttle.
Date:
October 2, 2006
Creator:
Behrens, Carl E.
Object Type:
Report
System:
The UNT Digital Library
United States and Soviet Progress in Space: Summary Data through 1975 and a Forward Look
A summary report of how far the major space powers have come from 1957 to 1975.
Date:
February 2, 1976
Creator:
Sheldon, Charles S.
Object Type:
Report
System:
The UNT Digital Library
Apollo Goals and Accomplishments: The United States Project to Explore the Moon
This report is categorized into five categories: (I) What is Project Apollo? (II) Brief History, (III) Apollo Technology, (IV) Apollo Flight Plan, (V) The Apollo Future.
Date:
January 2, 1970
Creator:
Sheldon, Charles S., II
Object Type:
Report
System:
The UNT Digital Library
Sulphur Springs News-Telegram (Sulphur Springs, Tex.), Vol. 114, No. 52, Ed. 1 Monday, March 2, 1992
Daily newspaper from Sulphur Springs, Texas that includes local, state, and national news along with advertising.
Date:
March 2, 1992
Creator:
Keys, Clarke
Object Type:
Newspaper
System:
The Portal to Texas History
Federal Research and Development Funding: FY2005
This report discusses federal research and development (R&D) funding for FY2005. The Bush Administration requested $131.9 billion in R&D funding for FY2005. This was $5.9 billion above the estimated $126 billion that was appropriated for federal R&D in FY2004.
Date:
February 2, 2005
Creator:
Davey, Michael E.
Object Type:
Report
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Saturday, March 2, 2019
Triweekly newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 2, 2019
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
NASA's Space Shuttle Program: Issues for Congress Related to The Columbia Tragedy and "Return to Flight"
None
Date:
June 2, 2005
Creator:
Smith, Marcia S.
Object Type:
Report
System:
The UNT Digital Library
Federal Research and Development Funding: FY2007
This report discusses federal research and development (R&D) funding. As in the recent past, the FY2007 increase over the FY2006 estimated funding levels is due to significant funding increases in the Department of Defense (DOD) and the National Aeronautics and Space Administration's (NASA's) space vehicles development program.
Date:
May 2, 2006
Creator:
Davey, Michael E.
Object Type:
Report
System:
The UNT Digital Library
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 96, No. 119, Ed. 1 Wednesday, March 2, 2011
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 2, 2011
Creator:
Harmon, C. L.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Timpson Times (Timpson, Tex.), Vol. 80, No. 14, Ed. 1 Friday, April 2, 1965
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
April 2, 1965
Creator:
Milner, Frances
Object Type:
Newspaper
System:
The Portal to Texas History
Rio Grande Herald (Rio Grande City, Tex.), Vol. 91, No. 49, Ed. 1 Thursday, December 2, 2004
Weekly newspaper from Rio Grande City, Texas that includes local, state and national news along with extensive advertising.
Date:
December 2, 2004
Creator:
Roberts, Kenneth
Object Type:
Newspaper
System:
The Portal to Texas History
The Daily Spokesman (Pampa, Tex.), Vol. 3, No. 175, Ed. 1 Friday, July 2, 1954
Daily newspaper from Pampa, Texas that includes local, state, and national news along with advertising.
Date:
July 2, 1954
Creator:
McKean, J. N.
Object Type:
Newspaper
System:
The Portal to Texas History
Iraq: Oil and Gas Legislation, Revenue Sharing, and U.S. Policy
None
Date:
October 2, 2007
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 48, No. 43, Ed. 1 Friday, November 2, 1962
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 2, 1962
Creator:
Livermore, Edward K.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Iran Nonproliferation Act and the International Space Station: Issues and Options
The Iran Nonproliferation Act of 2000 (INA) was enacted to help stop foreign transfers to Iran of weapons of mass destruction, missile technology, and advanced conventional weapons technology, particularly from Russia. Section 6 of the INA bans U.S. payments to Russia in connection with the International Space Station (ISS) unless the U.S. President determines that Russia is taking steps to prevent such proliferation. The ISS is currently under construction in orbit. According to current plans, the National Aeronautics and Space Administration (NASA) will become dependent on Russia for certain ISS crew-related services beginning in April 2006 for which NASA must pay. Thus, the INA could significantly affect U.S. utilization of ISS. This report outlines the history of INA, its effect on Russian and Iranian proliferation, its impact on the ISS program, and options for resolving associated issues.
Date:
March 2, 2005
Creator:
Squassoni, Sharon & Smith, Marcia S.
Object Type:
Report
System:
The UNT Digital Library
The Iran Nonproliferation Act and the International Space Station: Issues and Options
The Iran Nonproliferation Act of 2000 (INA) was enacted to help stop foreign transfers to Iran of weapons of mass destruction, missile technology, and advanced conventional weapons technology, particularly from Russia. Section 6 of the INA bans U.S. payments to Russia in connection with the International Space Station (ISS) unless the U.S. President determines that Russia is taking steps to prevent such proliferation. The ISS is currently under construction in orbit. According to current plans, the National Aeronautics and Space Administration (NASA) will become dependent on Russia for certain ISS crew-related services beginning in April 2006 for which NASA must pay. Thus, the INA could significantly affect the U.S. utilization of ISS. This report outlines the history of INA, its effect on Russian and Iranian proliferation, its impact on the ISS program, and options for resolving associated issues. It will not be updated.
Date:
March 2, 2005
Creator:
Smith, Marcia S. & Smith, Marcia S.
Object Type:
Report
System:
The UNT Digital Library