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TeachMeFinance.com - explain Upper Atmosphere Research Satellite (UARS) Upper Atmosphere Research Satellite (UARS) The term 'Upper Atmosphere Research Satellite (UARS)' as it applies to the area of Earth observation can be defined as ' UARS is part of a long-term, international program of space research into global atmospheric change. Beginning in 1991, NASA's UARS program began to carry out the first systematic, detailed satellite study of the Earth's stratosphere, mesosphere, and lower thermosphere; establish the comprehensive data base needed for an understanding of stratospheric ozone depletion; and bring together scientists and governments around the world to assess the role of human activities in atmospheric change. Launched on September 12, 1991, UARS became the first official space component of NASA's Earth Science Enterprise'. Previous 5 Terms: upland Upland cotton Uplands Uplift Uplift pressure Next 5 Terms: Upper Level Upper Level Disturbance Upper Level System Upper-air Weather Chart UPR About the author Mark McCracken Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English". Copyright © 2005-2011 by Mark McCracken, All Rights Reserved. TeachMeFinance.com is an informational website, and should not be used as a substitute for professional medical, legal or financial advice. Information presented at TeachMeFinance.com is provided on an "AS-IS" basis. Please read the disclaimer for details.