NASA Thesaurus & Related Information
Authorized subject terms by which the documents in the NASA STI Databases are indexed and retrieved.
http://www.sti.nasa.gov/thesfrm1.htm
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NASA Earth Observatory
Explore with scientists the causes and effects of climatic and environmental change through the use of real satellite data.
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science
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earth
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ScienceWorld
Comprehensive online encyclopedias of astronomy, math, physics, scientific biographies, and scientific books, with many equations and formulas.
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Dictionary and Thesaurus - Merriam-Webster Online
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NASA - Science@NASA Satellite Tracking
Provides live tracking maps of a range of satellites, including the International Space Station, Hubble Space Telescope, and (during missions) the Space Shuttle.
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National Monuments Record Thesauri
No information avaiable
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history
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architecture
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Merriam-Webster's Word Central
Offers kids a student dictionary, Word of the Day, and interactive word games. Includes homework help and lesson plans for parents and teachers.
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SAO/NASA ADS: ADS Home Page
Abstracts on astrophysics, astronomy, instrumentation, geophysics, and physics. ... Harvard-Smithsonian Center for Astrophysics ...
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astronomy
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nasa
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database
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Astronomy Picture of the Day
A different astronomy and space science related image is featured each day, along with a brief explanation. ... The Moon's silhouette surrounded by a ...
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astronomy
science
space
photography
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daily
pictures
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NASA - NASA Kids' Club
Providing kid-level science information from NASA. Has teacher resources, latest NASA news, rockets, astronauts, puzzles, games, space, and more.
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science
space
nasa
kids
games
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Dictionary & Thesaurus - YourDictionary
Directory of online English dictionaries and thesauruses, translation dictionaries of 150 different languages, grammar help for 70 languages, and pages of linguistic fun.
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reference
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