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单词 Aura
释义
Aura

Space Exploration
  • A pollution-monitoring satellite launched on 15 July 2004, the third and final part of NASA's Earth Observing System (EOS). Aura's purpose is to help establish whether the ozone layer is recovering, whether air quality is getting worse, and whether the Earth's climate is changing. Aura will continue the observations made by NASA's Upper Atmosphere Research Satellite (UARS) and total ozone mapping spectrometer (TOMS). In addition, Aura will probe the Earth's troposphere, the region of the atmosphere from the ground to about 10 km. Aura is part of NASA’s Afternoon Constellation (A-Train).


Geology and Earth Sciences
  • A NASA satellite, launched into a Sun-synchronous orbit from California on 15 July 2004, as part of the Earth Science Projects Division. Aura (Latin for breeze) carries four instruments that monitor the chemistry and dynamics of the atmosphere from the surface to the mesosphere. It is one of the four satellites that comprise the A-Train.

    http://www.nasa.gov/mission_pages/aura/main/index.html A NASA mission to monitor complex scientific interactions affecting the globe.


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