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The University of Tennessee at Martin

The University of Tennessee - Martin

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Paul Meek Library
University of TN at Martin
Martin, TN 38238
(731) 881-7060


U.S. Government Depository

 
Database of the Week
Facts On File News Services
Indexes include: 1. Subject Index (1980-1999) A topical guide to all 75,000 Facts On File News Digest articles from January 1980 through the most recent quarter. 2. Top News Stories (2000) A quick guide to locating important 2000 stories and special features in the Facts On File World News Digest.

Ebook of the Day
Priorities in space science enabled by nuclear power and propulsion (py: 2006)
EXECUTIVE SUMMARY 1 Executive Summary In 2002, NASA initiated a program to explore the use of nuclear power and propulsion systems for both human and robotic activities. The first task was to identify high-priority space science objectives that could be uniquely enabled or greatly enhanced by the development of advanced spacecraft nuclear power and propulsion systems. This Phase I report addresses the first task only. Most current space science missions have relatively modest power requirements, typically in the range of 0.1 to 1 kilowatts of electricity (kWe). For spacecraft operating at or near 1 AU from the Sun, photovoltaic systems have the advantages of cost-effectiveness and reliability.