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File:Popocatepetl-nasa.jpg

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English: Popocatépetl, or Popo, the active volcano located about 70 km southeast of Mexico City, sends a plume south on January 23, 2001. The astronaut crew on the International Space Station Alpha observed and recorded this image as they orbited to the northeast of the volcano. Popo has been frequently active for six years. On this day, the eruption plume reportedly rose to more than 9 km above sea level [for reference, Popo’s summit elevation is 5426 m (17,800 feet)]. Note the smaller ash plume below the main plume (arrow). The perspective from the ISS allowed the astronauts this unique 3 dimensional view.
Popo is situated between two large population centers: Mexico City (more than 18 million people, and just off the image to the right) and Puebla (about 1.2 million people). The region’s dense population provides the potential for extreme impacts from volcanic hazards. Recent eruptions have been frequent, and have resulted in evacuations around the mountain.
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来源 http://eol.jsc.nasa.gov/scripts/sseop/photo.pl?mission=ISS001&roll=E&frame=5316
作者 Earth Sciences and Image Analysis Laboratory, Johnson Space Center
本图像或视频收录于美国国家航空航天局 (NASA)某个部门,其照片编号是: ISS001-E-5316

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This file is in the public domain in the United States because it was created by the Image Science & Analysis Laboratory, of the NASA Johnson Space Center. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA media use guidelines or Conditions of Use of Astronaut Photographs). Photo source: ISS001-E-5316.

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当前2005年8月23日 (二) 21:562005年8月23日 (二) 21:56版本的缩略图1,530 × 1,018(435 KB)Nanosmile * Credit <P>The image ISS01-ESC-5316 is provided and archived by the Earth Sciences and Image Analysis Laboratory, Johnson Space Center. Additional images taken by astronauts can be viewed at NASA-JSC’s Gateway to Astronaut Photography

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