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Post by Chicago Astronomer Joe on Oct 12, 2004 14:04:39 GMT -6
This is circulating the web now, and of course we are interested in our small patch of Earth.
Boy...I seem to be right smack in the middle of the muck!
After 18 months of observations by the Envisat Earth monitoring satellite, the European Space Agency has produced a detailed image of the entire Earth that shows nitrogen dioxide pollution. Nitrogen dioxide is generally a man-made gas - produced in power plants, heavy industry, and burning - which can cause lung disease and respiratory problems. Previous maps like this have been made, but this image is at a resolution of 60 x 30 km (37 x 19 miles), so scientist can pick out individual cities which are a source of pollution.
Chicago Astronomer Joe Founder, Administrator and Chief Astronomer
Telescope/Observatory Docent Facilitator Adler Planetarium & Astronomy Museum
Astronomy Instructor Instituto Del Progresso/IHSCA
Astronomy Program Instructor British International School of Chicago /Lincoln Park Campus
Resident Astronomer Chicago Park District Nature Oasis/Night Out in the Parks/ 606 Trail