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Published byJonah Briggs Modified over 9 years ago
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Earth’s Atmospheric Layers
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Troposphere Distance above sea level: 0-16 km Average Temperature: -50º to 70º F All weather happens here. Warm air rises to form clouds, rain falls. As altitude increases, temperature decreases. (The higher you go the colder it gets) Warmed by the ground below
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Troposphere 80% of the total atmospheric mass 99% of Earth’s water vapor Air pressure the highest Layer nearest Earth’s surface All life exists here. This is where we live!
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Stratosphere Distance above sea level: 16-50 km Average temperature: -50º to 0º Ozone layer located at the top of this layer. Gets warmer as you go up in the layer: ozone absorbs radiation from the sun, which makes it hotter. As altitude increases, temperature increases
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Stratosphere Jets cruise near the bottom of this layer Less than 20% of the total atmospheric mass Warmer than the troposphere Clear, dry layer Weather balloons are flown to this layer.
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Mesosphere Distance above sea level:50-90 km Coldest layer Average temperature: 0º to -90º F Gets colder as you go up: decrease in ozone gas Heated from below (ozone layer) As altitude increases, temperature decreases Meteors or shooting stars burn up
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Mesosphere Less than 1% of the atmospheric mass Hardest to study since planes can’t fly high enough and satellites can’t fly low enough Extremely thin air
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Thermosphere Distance above sea level: 90-300 km Average temperature: -90º to 120º F Hottest layer of the atmosphere Gets warmer as you go up: closer to the sun As altitude increases, temperature increases Shimmering curtains of light called auroras happen there
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Thermosphere Space shuttles orbit at this layer Less than 1% of the atmospheric mass Near a vacuum so not enough contact with atoms of gas to transfer much heat
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Exosphere Distance above sea level: 300-600 km Average temperature: Extreme highs and extreme lows Temperature begins to level off Many satellites orbit at this layer Less than 1% of the atmospheric mass Sometimes considered as part of outer space Air pressure the lowest
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Layers of the Atmosphere
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Layers of the atmosphere
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