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Quasar
Quasars have large red shifts, indicative of great distance from the earth, but have variability with periods of weeks or months which indicate that they are small. Their size is on the order of ...
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The Quarks to Quasars Story
Brief description of how accelerators,quarks and leptons fit together. Mainly a text site with one animation.
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Comets, Quasars, Meteors
Frequently Asked Questions about Comets answered by astronomer Dr. Cathy Imhoff of the Space Telescope Science Institute.
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A Brief History of Active Galactic Nuclei
A history of the acceptance of active galactic nuclei traces the discovery of quasars, Seyfert work and the Black Hole research.
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