| 词条 | Pedro E. Zadunaisky |
| 释义 |
Pedro Elías Zadunaisky (December 10, 1917 – October 7, 2009) was an Argentine astronomer and mathematician who plotted the orbit of Saturn's most-distant moon, Phoebe, as well as several comets including Halley's Comet, and various satellites including Explorer I. Zadunaisky was born in Rosario, Santa Fe. He was once a senior astronomer and a mathematician at the Smithsonian Astrophysical Observatory and at NASA's Goddard Space Flight Center.[1][2] 4617 Zadunaisky is an asteroid named in his honor. He died on October 7, 2009 at the age of 91.[3] He wrote the book "A Guide to Celestial Mechanics" in 1961.[4] References1. ^{{cite news| url=http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2009/10/09/BAC61A2HLA.DTL | work=The San Francisco Chronicle | title=Astronomy pioneer Pedro Elias Zadunaisky dies | date=9 October 2009}} {{authority control}}{{DEFAULTSORT:Zadunaisky, Pedro Elias}}{{Argentina-scientist-stub}}2. ^{{cite web|author=Orellana, Vanessa Hand|title=Pedro Elias Zadunaisky, 1917-2009: Mathematician and astronomer aided U.S. in space race with Russians|url=http://www.chicagotribune.com/news/chi-obit-zadunaiskyoct09,0,1551146.story|work=Chicago Tribune|publisher=Associated Press|date=9 October 2009|accessdate=12 October 2009|deadurl=yes|archiveurl=https://web.archive.org/web/20121024124832/http://www.chicagotribune.com/news/chi-obit-zadunaiskyoct09,0,1551146.story|archivedate=24 October 2012|df=}} 3. ^http://www.tributes.com/show/Pedro-Zadunaisky-86909685 4. ^http://www.conae.gov.ar/zad/index.html 7 : 1917 births|2009 deaths|Argentine mathematicians|Argentine Jews|Argentine astronomers|Guggenheim Fellows|People from Rosario, Santa Fe |
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