File:The_World’s_Tallest_Mountain_(15473492788).jpg
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摘要
描述The World’s Tallest Mountain (15473492788).jpg |
Description Fourteen mountain peaks on Earth stand taller than 8,000 meters (26,247 feet). The tallest of these “eight-thousanders” is Mount Everest, the standard to which all other mountains are compared. The Nepalese name for the mountain is Sagarmatha: “mother of the universe.” Everest’s geological story began 40 million years ago when the Indian subcontinent began a slow-motion collision with Asia. The edges of two continents jammed together and pushed up the massive ridges that make up the Himalayas today. Pulitzer-winning journalist John McPhee summed up the wonder of the mountain’s history when he wrote Annals of the Former World: “The summit of Mount Everest is marine limestone. This one fact is a treatise in itself on the movements of the surface of the Earth. If by some fiat, I had to restrict all this writing to one sentence; this is the one I would choose.” In other words, when climbers reach the top of Mount Everest, they are not standing on hard igneous rock produced by volcanoes. Rather, they are perched on softer sedimentary rock formed by the skeletons of creatures that lived in a warm ocean off the northern coast of India tens of millions of years ago. Meanwhile, glaciers have chiseled Mount Everest’s summit into a huge, triangular pyramid, defined by three faces and three ridges that extend to the northeast, southeast, and northwest. The southeastern ridge is the most widely used climbing route. It is the one that Edmund Hillary and Tenzing Norgay followed in May 1953 when they became the first climbers to reach the summit and return safely. Climbers who follow this route begin by trekking past Khumbu glacier and through the Khumbu ice fall, an extremely dangerous area where ice tumbles off the mountain into a chaotic waterfall of ice towers and crevasses. Next, climbers reach a bowl-shaped valley—a cirque—called the Western Cwm (pronounced coom) and then the foot of the Lhotse Face, a 1,125-meter (3,691-foot) wall of ice. Climbing up the Lhotse face leads to the South Col, the low point in the ridge that connects Everest to Lhotse. It is from the South Col that most expeditions launch their final assault on the summit, following a route up the southeastern ridge. Some climbers opt for the northern ridge, which is known for having harsher winds and colder temperatures. That is the path that British climbers George Mallory and Andrew Irvine used in 1924 during what may, in fact, have been the first ascent. Whether the pair made it to the summit remains a topic of controversy, but what is known for certain is that the men were spotted pushing toward the peak just before the arrival of a storm. Mallory’s corpse was discovered near the northeast ridge at 8,160 meters (26,772 feet) by an American climber in 1999, but it still isn’t clear whether he reached the summit. Despite its reputation as an extremely dangerous mountain, commercial guiding has done much to tame Everest in the last few decades. As of March 2012, there had been 5,656 successful ascents of Everest, while 223 people had died—a fatality rate of 4 percent. earthobservatory.nasa.gov/IOTD/view.php?id=82578 |
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来源 | The World’s Tallest Mountain |
作者 | NASA on The Commons |
授权 (二次使用本文件) |
NASA on The Commons @ Flickr Commons |
许可协议
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这幅图片原始出处为Flickr的https://flickr.com/photos/44494372@N05/15473492788 ,作者为NASA on The Commons 。经机器人FlickreviewR在2015年9月27日审查后确定为采用No known copyright restrictions的协议授权使用。 |
2015年9月27日
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25 10 2011
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日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
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当前 | 2015年9月27日 (日) 19:05 | 720 × 480(147 KB) | Sumita Roy Dutta | Transferred from Flickr via Flickr2Commons |
文件用途
以下28个页面使用本文件:
全域文件用途
以下其他wiki使用此文件:
- bs.wikipedia.org上的用途
- Mount Everest
- Lhotse
- Šablon:Mt. Everest
- Filipinska ekspedicija na Mount Everest 2006.
- Bazni kampovi (Mount Everest)
- Dolina šutnje
- Jugoslavenske ekspedicije na Himalaje
- Jugoslavenska ekspedicija na Mount Everest 1979.
- Britanska ekspedicija na Mount Everest 1953.
- Spisak osvajača Mount Everesta u 20. stoljeću
- Srbijanska ekspedicija na Mount Everest 2007.
- Rute penjanja na Mount Everest
- Hillaryjev stepenik
- Hrvatska ženska ekspedicija na Mount Everest 2009.
- Američka ekspedicija na Mount Everest 1963.
- Britanska ekspedicija na Mount Everest 1975.
- Japanska ženska ekspedicija na Mount Everest 1975.
- Kineska ekspedicija na Mount Everest 1960.
- Tri stepenika
- Švicarska ekspedicija na Mount Everest i Lhotse 1956.
- Lho La
- Nortonov kuloar
- Hornbeinov kuloar
- Rongbuk (lednik)
- Sjeverni prijevoj
- Južni prijevoj (Mount Everest)
- Zapadni greben
- Sjeverna strana (Mount Everest)
- Japanske ekspedicije na Mount Everest 1970.
- Indijska ekspedicija na Mount Everest 1965.
- Sovjetska ekspedicija na Mount Everest 1982.
- Kangshung strana
- Lavina na Mount Everestu 2014.
- Lavine na Mount Everestu 2015.
- Lavina na Mount Everestu 1974.
- Khumbu (lednik)
- en.wikipedia.org上的用途
- fa.wikipedia.org上的用途
查看本文件的更多全域用途。
元数据
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原始文件唯一ID | xmp.did:0A80117407206811B1A4988DA390644C |
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使用软件 | Adobe Photoshop CS6 (Macintosh) |
IIM 版本 | 2 |