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The AstronomersDark Matter & Dark Energy,good
Dark Matter & Dark Energy,good
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Beautiful orrery(solar system model) avaiable in : http://www.orrerystore.com/ .Neil deGrasse Tyson offers one of the simplest, most straightforward summaries of one of the greatest challenges and questions facing modern Science today.In astronomy and cosmology, dark matter is a hypothetical form of matter that is undetectable by its emitted electromagnetic radiation, but whose presence can be inferred from gravitational effects on visible matter. According to present observations of structures larger than galaxies, as well as Big Bang cosmology, dark matter and dark energy could account for the vast majority of the mass in the observable universe.In physical cosmology, astronomy and celestial mechanics, dark energy is a hypothetical form of energy that permeates all of space and tends to increase the rate of expansion of the universe. Dark energy is the most popular way to explain recent observations and experiments that the universe appears to be expanding at an accelerating rate. In the standard model of cosmology, dark energy currently accounts for 74% of the total mass-energy of the universe.Dr. Neil deGrasse Tyson is an American astrophysicist and the Frederick P. Rose Director of the Hayden Planetarium at the American Museum of Natural History in New York City. An accomplished scientist, he is also outspoken for his rationalist and skeptical world-views, and was honored with the 2009 Isaac Asimov award from the American Humanist Association.To find out more about Dr. Tyson, you can start here:http://www.haydenplanetarium.org/tyson/To read more about Dark Matter and Dark Energy, you can start here:http://en.wikipedia.org/wiki/Dark_matterhttp://en.wikipedia.org/wiki/Dark_Energyhttp://hubblesite.org/hubble_discoveries/dark_energy/http://www.dmoz.org/Science/Astronomy/Cosmology/Dark_Matter/To read more about the Theory of Special Relativity, you can start here:http://www.phys.unsw.edu.au/einsteinlight/http://www.einstein-online.info/en/elementary/index.htmlhttp://en.wikipedia.org/wiki/Special_relativityTo read more about the Theory of General Relativity, you can start here:http://www.einstein-online.info/en/elementary/generalRT/index.htmlhttp://en.wikipedia.org/wiki/General_relativityTo read more about "real-life" applications of Relativity, you can start here:http://www.einstein-online.info/en/spotlights/complete_spotlights/index.htmlTo check a quick summary chart of the Standard Model, you can click here:http://twitwall.com/view/?what=0608060B00To check an interactive tour of Particle Physics, you can click here:http://particleadventure.org/To read excellent introduction into Particle Physics, you can start here:http://en.wikipedia.org/wiki/Standard_Modelhttp://www.kuro5hin.org/story/2002/5/1/3712/31700http://cms.web.cern.ch/cms/Physics/StandardPackage/index.htmlTo read glossaries for Quantum Physics terms, you can start here:http://www.quantum-physics.polytechnique.fr/http://www.sparknotes.com/testprep/books/sat2/physics/chapter19section3.rhtmlTo read introductory articles on Quantum Physics, you can start here:http://www.newscientist.com/topic/quantum-worldhttp://www.lightandmatter.com/html_books/6mr/ch01/ch01.htmlhttp://www.sciencedaily.com/news/matter_energy/quantum_physics/http://www.quantiki.org/wiki/index.php/Introduction_to_Quantum_TheoryTo take free online college-level courses, you can start here:http://ocw.mit.edu/OcwWeb/Physics/index.htmhttp://ocw.mit.edu/OcwWeb/Chemistry/index.htmThis clip was edited from the 'Cosmic Quandaries with Dr. Neil deGrasse Tyson' lecture held at The Palladium in St. Petersburg's College, March 26th, 2009. http://www.spcollege.edu/You can watch the entire lecture here:http://www.youtube.com/watch?v=CAD25s53wmE
Added on Nov 27, 2012 by lonewolf
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  Extragalactic astronomy  
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