Air is a mixture of naturally occurring gases and human-made air pollutants. Learn more about these gases and the role they play in our atmosphere.
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When a wildfire was burning dangerously close to Boulder, Colorado, we found evidence of the smoke in the data feed of our air quality exhibit.
The Appearance of the Sky
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How does the atmosphere change at you go up high in the sky?
Sondes are instrument packages that measure temperature, wind, humidity and pressure. Sondes are launched on balloons and dropped from aircraft.
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The electromagnetic (EM) spectrum spans many types of radiation, from long-wavelength radio waves, through infrared, visible, and ultraviolet "light" and gamma rays and x-rays.
The exosphere is the uppermost region of Earth's atmosphere as it gradually fades into the vacuum of space. The air in the exosphere is extremely thin - in many ways, it is almost the same as the airless void of outer space.
This web series tells the story of the lengths people went to in order to explore the atmosphere and the technologies they used to get high in the sky and make measurements.
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Layers of Earth's atmosphere: troposphere, stratosphere, mesosphere, thermosphere and exosphere.
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