dcterms modified equal to or less than 2020-11-19T16:21:50.413Zequal to or more than 2020-11-19T16:21:50.413Z
broader original
1640 original
definition The second major layer of Earth's atmosphere, just above the troposphere and below the mesosphere, extending from about 20 km to 90 km above the Earth. It is characterized by little vertical increase in temperature.
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