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Neil de Grasse Tyson is the Frederick P. Increased Director that the Hayden Planetarium in ~ the American Museum of Natural history in brand-new York City and a Visiting research study Scientist in astrophysics at Princeton University. Because 1995, Tyson has written the well-known monthly essay "Universe" for Natural history magazine. He is also the author of world Down come Earth, a collection of essays trying out the connections in between concepts that science and everyday experience, and also The sky Is no the Limit: Adventures the an urban Astrophysicist, a memoir. A graduate that the Bronx High college of Science, Tyson deserve a B.A. In physics indigenous Harvard College and a Ph.D. In astrophysics from Columbia University. Tyson resides in new York City.

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Charles Liu is an astrophysicist in ~ the American Museum of Natural history and a Visiting research study Scientist at Columbia University. His research focuses on the advancement of galaxies, and his work has appeared in numerous publications, consisting of The Astrophysical Journal and also The huge Journal. Liu got a B.A. In both astronomy and astrophysics and also physics from Harvard College and a Ph.D. In astronomy indigenous the college of Arizona. He resides in Montclair, brand-new Jersey.

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Robert Irion, a freelance science journalist in Santa Cruz, California, is a contributing editor at Astronomy magazine and a contributing correspondent to scientific research magazine. He holds a B.S. In earth and also planetary sciences from the Massachusetts academy of modern technology and learned science communication at the university of California, Santa Cruz, where he now teaches scientific research writing.

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His short articles on astronomy, planet science, and also physics likewise have showed up in new Scientist and also other publications. He lives in Santa Cruz.