NASA scientists calculated it would strike the NubianDesert of northern Sudan.
美国宇航局的科学家计算出它会撞击苏丹北部的努比亚沙漠。
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About two months later, Jenniskens was standing, map in hand, in the middle of the NubianDesert near the end of a seemingly interminable day wondering whether he had made a mistake.
The Nubian Sandstone Aquifer System, the world's largest, is located under the eastern part of the Sahara desert and spans the political boundaries of Libya, Chad, Sudan and Egypt.