www.haydenplanetarium.org

American astrophysicist, director of the Hayden Planetarium, and popularizer of science. Includes biographical information, articles, and audio and video media.

URLs from www.haydenplanetarium.org:

URL: http://www.haydenplanetarium.org/universe/ URL: http://www.haydenplanetarium.org URL: http://www.haydenplanetarium.org/tyson/

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