REBANT ( Mount Everest )

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T he Mount Everest

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Mount Everest that is called Sagarmatha in Nepali or Chomolungma in Tibetan is the highest peak in the world. Mount Everest is situated at the edge of the Tibetan Plateau on the border between Nepal and Tibet. This plateau is also known as Qing Zang Gaoyuan in Tibetan. It is part of the Great Himalayan Range that stretches along India, Nepal and China. The exact location coordinates of the Mount Everest is agreed upon as 27°59'17" N or 27 degrees, 59 minutes and 17 seconds North of Equator in case of Latitude and 86°55'31" E or 86 degree, 55 minutes and 31 seconds in case of Longitude.

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The 8,848 m (29,029 ft.) height given is officially recognized by Nepal and China , although Nepal is planning a new survey. On 9 October 2005, after several months of measurement and calculation, the Chinese Academy of Sciences and State Bureau of Surveying and Mapping officially announced the height of Everest as 8,844.43 m (29,017.16 ft.) with accuracy of ±0.21 m (0.69 ft.). They claimed it was the most accurate and precise measurement to date . This height is based on the actual highest point of rock and not on the snow and ice covering it. The Chinese team also measured a snow/ice depth of 3.5 m (11 ft.), which is in agreement with a net elevation of 8,848 m (29,029 ft.). The snow and ice thickness varies over time, making a definitive height of the snow cap impossible to determine .

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In 1856, Andrew Waugh announced Everest (then known as Peak XV) as 29,002 ft. (8,840 m) high, after several years of calculations based on observations made by the Great Trigonometric Survey. The elevation of 8,848 m (29,029 ft.) was first determined by an Indian survey in 1955, made closer to the mountain, also using theodolites. It was subsequently reaffirmed by a 1975 Chinese measurement 8,848.13 m (29,029.30 ft.) In both cases the snow cap, not the rock head, was measured. In May 1999 an American Everest Expedition, directed by Bradford Washburn, anchored a GPS unit into the highest bedrock. A rock head elevation of 8,850 m (29,035 ft.), and a snow/ice elevation 1 m (3 ft.) higher, were obtained via this device. Although it has not been officially recognized by Nepal, this figure is widely quoted. Geoid uncertainty casts doubt upon the accuracy claimed by both the 1999 and 2005 surveys. A detailed photogrammetric map (at a scale of 1:50,000) of the Khmu region, including the south side of Mount Everest, was made by Erwin Schneider as part of the 1955 International Himalayan Expedition, which also attempted Lhotse. An even more detailed topographic map of the Everest area was made in the late 1980s under the direction of Bradford Washburn, using extensive aerial photography. It is thought that the plate tectonics of the area are adding to the height and moving the summit northeastwards. Two accounts suggest the rates of change are 4 mm (0.16 in) per year (upwards) and 3 to 6 mm (0.12 to 0.24 in) per year (northeastwards), but another account mentions more lateral movement (27 mm/1.1 in), and even shrinkage has been suggested. History

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Records By the end of the 2010 climbing season, there had been 5,104 ascents to the summit by about 3,142 individuals. Some records set by those 3,000 climbers (including new climbers and accomplishments in 2011 and 2012)

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Apa Sherpa holds the record for reaching the summit more times than any other person, 21 times between 10 May 1990 and 11 May 2011. The record for a non-Sherpa is held by American climber and expedition guide Dave Hahn, reaching the summit 14 times between 19 May 1994 and 26 May 2012. Most times to Summit

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Youngest to Summit The youngest person to climb Mount Everest was 13-year-old Jordan Romero in May 2010 from the Tibetan side. His ascent, as part of an apparent "race" to bring younger and younger children to the mountain (shortly after Romero's ascent, Pemba Dorjie Sherpa announced plans to bring his 9 year old son to the summit), triggered a wave of criticism that prompted Chinese authorities to establish age limits on Mt Everest. At the present time, China no longer grants permits to prospective climbers under 18 or over 60. Nepal sets the minimum age at 16 but has no maximum age.

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Environment Besides rubbish, the degradation on Himalayan peaks and other issues concerned long-time Everest guide and climber APA Sherpa. He said when he first started climbing Everest; the trail to the summit was covered with ice and snow. But it is now dotted with bare rocks. The melting ice has also exposed deep crevasses, making expeditions more dangerous. APA organized an expedition to remove 4,000 kg (8,800 lb.) of rubbish from the lower part of the mountain and another 1,000 kg (2,200 lb.) from higher areas .

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In 2008, a new weather station at about 8000 m altitude (26,246 feet) went online. The station's first data in May 2008 was air temperature −17 °C, relative humidity 41.3%, atmospheric pressure 382.I hope (38.21 kappa), wind direction 262.8°, wind speed 12.8 m/s (28.6 mph), global solar radiation711.9 watts/m2, solar UVA radiation 30.4 W/m2. The project was orchestrated by Stations at High Altitude for Research on the Environment (SHARE), who also placed the Mount Everest webcam in 2011.The weather station is located on the South Col and is solar powered.

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Flora & Fauna Euphoric omnisuperstes a minute black jumping spider, has been found at elevations as high as 6,700 meters (22,000 ft.), possibly making it the highest confirmed non-microscopic permanent resident on Earth. It lurks in crevices and may feed on frozen insects that have been blown there by the wind. It should be noted that there is a high likelihood of microscopic life at even higher altitudes. Birds, such as the Bar-headed Goose, have been seen flying at the higher altitudes of the mountain, while others, such as the Chough, have been spotted as high as the South Col at 7,920 meters (25,980 ft.) scavenging on food, or even corpses, left by prior climbing expeditions. There is a moss that grows at 6,480 meters (21,260 ft.) on Mount Everest.

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It may be the highest altitude plant species .

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