November 27.1981-Discovered a huge underground river valley in the Egyptian desert
November 27, 1981 (yau years of winter and beginning of the month b) discovered in the Egyptian desert huge underground river valleys. Egypt huge underground river valley
1981 11 27 Egyptian desert discovered a huge underground Valley
1981 11 27, the United States "Columbia" space shuttle first the second test flight telemetry system discovered a huge underground river valley drowned in the southwestern desert of Egypt. This discovery has aroused great interest of scientists in Egypt.
this desert region forty years before the next rain, the space shuttle telemetry system signal can penetrate a 4.6-meter-deep layer of dry sand, thus won this discovery. Based on this discovery, this deserted, the world's most arid desert, far from 20,000 to 5 million years ago, is a fertile land, good weather, people and livestock booming region, where there have been some huge river of Egypt and Sudan to unite together. Underground in the desert, there is an underground river valley than the Nile basin scale 25 times the width of the valley of 25 to 30 km. With the changing era, the desert gradually covering these rivers and valleys. Some scientists believe that the life of the ancient Egyptians is the beginning of this desert region, and later migrated to the Nile Basin.
scientists also believe that, in the desert rich in groundwater and rare metals, which will of great significance to the development of the Egyptian economy. People's traditional view The Egypt groundwater is the absorption of the groundwater of the Sudan, but this new discovery yet this assumption is reversed, Sudan groundwater is replenished from Egypt groundwater.
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