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Updated: July 8th, 2008 05:26 PM CDT

NASA's AURA Satellite Peers Into Earth's Ozone Hole

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Scientists also monitor how much ozone there is in the atmosphere from the ground to space. The thickness of the Antarctic ozone layer was the third highest of the last decade, as measured by the lowest reading recorded during the year. The level was 102 Dobson Units (the system of measurement designated to gauge ozone thickness). That is approximately one-half as thick as the layer before 1980 during the same time of year.

The Ozone Monitoring Instrument is the latest in a series of ozone-observing instruments flown by NASA over the last two decades. This instrument provides a more detailed view of ozone and is also able to monitor chemicals involved in ozone destruction. The instrument is a contribution to the mission from the Netherlands ' Agency for Aerospace Programs in collaboration with the Finnish Meteorological Institute. The Royal Netherlands Meteorological Institute is the principal investigator on the instrument.

For images related to this story on the Web, visit: http://www.nasa.gov/vision/earth/lookingatearth/ozone_five.html For more information on NASA's Aura mission on the Web, visit: http://www.nasa.gov/aura For more information about NASA and agency programs on the Web, visit: http://www.nasa.gov/home

SOURCE NASA


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