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* 11 ekim - challenger uzay mekiği mürettebatından, astronot kathryn d. sullivan uzay yürüyüşü yapan ilk amerikalı kadın oldu.
* october 11 – aboard the space shuttle "challenger", astronaut kathryn d. sullivan becomes the first american woman to perform a space walk.
*"notes by a naturalist on the "challenger"" (1879), henry nottidge moseley, macmillan.
*"notes by a naturalist on the "challenger"" (1879), henry nottidge moseley, macmillan.
fv4030/4 challenger 1 1983-1990 arası challenger 2 geliştirilene kadar İngiliz ordusu'nun birincil ana muharebe tankı olarak hizmet etti.
the british fv4030/4 challenger 1, was the main battle tank (mbt) of the british army from 1983 to the mid-1990s, when it was superseded by the challenger 2.
2007 senesinde kariyerinin ilk iki profesyonel turnuvasını kazandı: casablanca challenger (nisan ayında) ve rijeka challenger (mayıs ayında).
in 2007, he won the first and second professional tournaments of his career: the casablanca challenger (in april) and the rijeka challenger (in may).
isbn 0-565-01139-1*"the voyage of the 'challenger'" (1974), eric linklater, cardinal.
isbn 0-565-01139-1*"the voyage of the 'challenger'" (1974), eric linklater, cardinal.
*"archive entry for journals of andrew f. balfour, including three from hms challenger voyage" (aim25 arşivleri);İkincil kaynaklar*"fathoming the ocean" (2005), helen m. rozwadowski, harvard Üniversitesi yayınları.
*archive entry for journals of andrew f. balfour, including three from hms "challenger" voyage (aim25 archives);secondary literature*"fathoming the ocean" (2005), helen m. rozwadowski, harvard university press.
