Matches in DBpedia 2014 for { ?s ?p Pedro Elias 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.He lived and died in Argentina. He was once a senior astronomer and a mathematician at the Smithsonian Astrophysical Observatory and at NASA's Goddard Space Flight Center. 4617 Zadunaisky is an asteroid named in his honor. He died on October 7, 2009 at the age of 91. He wrote the book "A Guide to Celestial Mechanics" in 1961.. }
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- Pedro_E._Zadunaisky abstract "Pedro Elias 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.He lived and died in Argentina. He was once a senior astronomer and a mathematician at the Smithsonian Astrophysical Observatory and at NASA's Goddard Space Flight Center. 4617 Zadunaisky is an asteroid named in his honor. He died on October 7, 2009 at the age of 91. He wrote the book "A Guide to Celestial Mechanics" in 1961.".