Stephen P. Maran worked at NASA for more than 35 years, on projects
including the Hubble Space Telescope. He is the author of more than
10 books, including The Astronomy and Astrophysics Encyclopedia and
Astronomy for Dummies, and is the press officer for the American
Astronomical Society. He has an asteroid named for him and has been
awarded the NASA Medal for Exceptional Achievement, the George Van
Biesbroeck Prize of the American Astronomical Society, and the
Astronomical Society of the Pacific's Klumpke-Roberts Award. He
lives in Chevy Chase, MD.
Laurence A. Marschall is the WKT Sahm Professor of Physics at
Gettysburg College and the author of The Supernova Story. He is a
regular columnist for Natural History, a contributing editor of
Smithsonian Air and Space, and an astronomy contributor for The
World Book Encyclopedia. He is the deputy press officer of the
American Astronomical Society and has been published in numerous
publications, including Astronomy, Discover, Harper's, Newsday, and
The New York Times Book Review. He lives in Gettysburg, PA.
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