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In the stratosphere, ozone is created primarily by ultraviolet radiation. When high-energy ultraviolet rays strike ordinary oxygen molecules (O2), they split the molecule into two single oxygen atoms, known as atomic oxygen. A freed oxygen atom then combines with another oxygen molecule to form a molecule of ozone. There is so much oxygen in our atmosphere, that these high-energy ultraviolet rays are completely absorbed in the stratosphere.

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Date Of Record Release 2010-07-16 18:25:28
Description In the stratosphere, ozone is created primarily by ultraviolet radiation. When high-energy ultraviolet rays strike ordinary oxygen molecules (O2), they split the molecule into two single oxygen atoms, known as atomic oxygen. A freed oxygen atom then combines with another oxygen molecule to form a molecule of ozone. There is so much oxygen in our atmosphere, that these high-energy ultraviolet rays are completely absorbed in the stratosphere.
Classification
Resource Type
Format
Subject
Source University of North Texas
Keyword Atmospheric composition, Air pollution, Ozone, Ozone oxygen cycle
Selector Selection Committee
Date Of Record Creation 2010-07-16 18:19:17
Education Level
Date Last Modified 2010-07-16 18:25:28
Creator NASA Earth Observatory
Language English
Date Record Checked: 2010-07-16 00:00:00 (W3C-DTF)

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