Chapter01a - The Earth and Its Atmosphere (Introduction)...

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The Earth and Its Atmosphere (Introduction)
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What, Why, and How??? What is an atmosphere? Why do planets have atmospheres? What is the structure of the Earth’s atmosphere? Why do we study the atmosphere? How different are the atmospheres of other planets? What processes determine the daily variations in the atmosphere? Are they predictable? What determines the yearly weather cycle? Why is the weather different every year? How was the Earth’s atmosphere formed? What is the composition of the Earth’s atmosphere?
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What is an atmosphere? A gaseous envelope surrounding a planet (satellite, comet…). It is very, very thin compared to the size of the planet
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Why do planets have atmospheres? Gravity !!! Pressure !!! Pressure !!!
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Origin of the Atmosphere (How is an atmosphere formed?) The early atmosphere of the Earth was very different from the atmosphere today! Stage I (Primordial Atmosphere): Acquired by gravitational attraction of volatile gases from the proto planetary
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This note was uploaded on 04/08/2008 for the course MET 1010 taught by Professor Matchev during the Spring '08 term at University of Florida.

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Chapter01a - The Earth and Its Atmosphere (Introduction)...

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