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Phil Plait

Phil Plait
Philip Plait 2007.jpg
Phil Plait at The Amaz!ng Meeting on January 20, 2007
Born Phillip Cary Plait
(1964-09-30) September 30, 1964 (age 52)
Washington, D.C.
Residence Boulder, Colorado
Citizenship United States of America
Nationality American
Fields Physics, astronomy, science communication
Alma mater University of Michigan, University of Virginia
Thesis Hubble space telescope observations of the circumstellar ring around of supernova 1987A (1995)
Website
Bad Astronomy blog

Philip Cary Plait (born September 30, 1964), also known as The Bad Astronomer, is an American astronomer, skeptic, writer and popular science blogger. Plait has worked as part of the Hubble Space Telescope team, images and spectra of astronomical objects, as well as engaging in public outreach advocacy for NASA missions. He has written two books, Bad Astronomy and Death from the Skies. He has also appeared in several science documentaries, including Phil Plait's Bad Universe on the Discovery Channel. From August 2008 through 2009, he served as President of the James Randi Educational Foundation. Additionally, he wrote and hosted episodes of Crash Course Astronomy, which aired its last episode in 2016.

Plait grew up in the Washington, D.C. area. He has said he became interested in astronomy when his father brought home a telescope when Plait was 5 years old or so. According to Plait, he "aimed it at Saturn that night. One look, and that was it. I was hooked."

During the 1990s, Plait worked with the COBE satellite and later was part of the Hubble Space Telescope team at NASA Goddard Space Flight Center, working largely on the Space Telescope Imaging Spectrograph. In 1995, he published observations of a ring of circumstellar material around a supernova (SN 1987A), which led to further study of explosion mechanisms in core-collapse supernovae. Plait's work with Grady, et al. resulted in the presentation of high-resolution images of isolated stellar objects (including AB Aurigae and HD 163296) from the Hubble Space Telescope, among the first of those recorded. These results have been used in further studies into the properties and structure of dim, young, moderate-size stars, called Herbig Ae/Be stars, which also confirmed results observed by Grady, et al.


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