Dark matter - Wikipedia, the free encyclopedi...
Article about the matter that can't be detected by its emitted radiation but whose presence can be inferred from gravitational effects on visible matter such as stars and galaxies.
http://en.wikipedia.org/wiki/Dark_matter
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NASA - Home
There's a problem with your browser or settings. ... Follow this link to skip to the main content. NASA - National Aeronautics and Space Administration ...
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The Size Of Our World
The Size Of Our World. The source for this material is unknown ...
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StarDate Online - Your Guide to the Universe
Non-technical, current, astronomy information, news, and photographs. Night sky maps and viewing tips. Daily StarDate radio scripts (English and Spanish)
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How Things Work - How Things Work Home Page
How Everything Works — Part of a website that provides answers to everyday questions about physics, science, ... Journal of How Things Work. Related Sites ...
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NASA - JPL Solar System Simulator
Simulated view of any body in the solar system from any location and time in full-color graphics. A NASA/JPL space site.
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International Year of Astronomy 2009
Official site for the The International Year of Astronomy 2009 (IYA2009), the global celebration of astronomy and its contributions to society and culture.
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The Particle Adventure
Interactive tour of the inner workings of the atom and the tools for discovery, with student art, humor, quizzes.
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The Physics Classroom
The Physics Classroom is an online interactive tutorial of basic physics concepts. The lessons use an easy-to-understand language to present common physics principles ...
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Čerenkov radiation - Wikipedia, the free encyclopedia
No information avaiable
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PhysicsCentral: Learn How Your World Works
PhysicsCentral: Learn How ... of watching the wonderful video submissions, the PhysicsCentral ... PhysicsCentral runs programs for all ages with the goal of ...
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