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Definition
| The mass of air surrounding a planet |
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| The pressure exerted by the atmosphere on all objects within it |
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| An instrument used to measure atmospheric pressure |
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| The lower layer of the earth's atmosphere, which exists from ground level to roughly 80 kilometers (50 miles) above sea level |
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Definition
| The upper layer of the earth's atmosphere, which exists higher than roughly 80 kilometers (50 miles) above sea level |
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| The region of the atmosphere that extends from ground level to roughly 11 kilometers (7 mi) above sea level |
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| The region of the atmosphere that spans altitudes of roughly 11 kilometers to 48 kilometers (30 miles) |
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| The region of the atmosphere that spans altitudes of roughly 48 kilometers to 80 kilometers (50 miles) |
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| Narrow bands of high-speed winds that circle the earth, blowing from west to east |
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| Entergy that is transferred as a consequence of temerature differences |
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| A measure of the energy of random motion in a substance's molecules |
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Definition
| The region of the atmosphere between altitudes of roughly 80 kilometers and 460 kilometers |
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Definition
| The region of the atmosphere above an altitude of roughly 460 kilometers |
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Definition
| The region of the atmosphere between the altitudes of roughly 65 kilometers and 330 kilomeers, where the gases are ionized |
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