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Michael Francis A'Hearn (born November 17, 1940) is an American astronomer and professor at the University of Maryland.〔()〕 He is also the principal investigator for NASA's EPOXI mission. ==Career== He received his B.A. in science at Boston College and his Ph.D. in Astronomy at the University of Wisconsin–Madison. He was the principal investigator for the NASA ''Deep Impact'' mission. He has aided in the development of systems for surveying abundances in comets as well as techniques for determining the sizes of cometary nuclei which uses optical and infrared measurements. His studies focus on comets as well as asteroids and he also supervises numerous graduate students. He is an elected fellow of the AAAS. He has authored over 100 papers published in journals and is also an avid sailor who has a commercial coast guard license.〔http://www.astro.umd.edu/people/ma.html〕 In 1986, Asteroid 3192 was named after A'Hearn to honor his contributions to cometary science. In 2008, he received the Gerard P. Kuiper Prize. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Michael A'Hearn」の詳細全文を読む スポンサード リンク
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