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Troposphere and Stratosphere


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Leon Teisserenc De Bort
   discovered   
Troposphere and Stratosphere
(1890s) With the aid of scientific instruments placed on unmanned balloons, he discovered that the atmosphere consists of layers. Bort noticed that air temperature decreases steadily up to about seven miles, but remains constant at higher altitudes. After more than 200 balloon experiments, he suggested that the atmosphere is divided into two layers called the "troposphere" and the "stratosphere."






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