Chapter 16: Problem 8
Give an everyday example of hydrostatic equilibrium. Give an example of thermal equilibrium. Explain how these equilibrium conditions apply to each example.
Chapter 16: Problem 8
Give an everyday example of hydrostatic equilibrium. Give an example of thermal equilibrium. Explain how these equilibrium conditions apply to each example.
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Get started for freeBriefly describe the three layers that make up the Sun's atmosphere. In what ways do they differ from each other?
Calculate the wavelengths at which the photosphere, chromosphere, and corona emit the most radiation. Explain how the results of your calculations suggest the best way to observe these regions of the solar atmosphere. (Hint: Treat each part of the atmosphere as a perfect blackbody. Assume average temperatures of \(50,000 \mathrm{~K}\) and \(1.5 \times 10^{6} \mathrm{~K}\) for the chromosphere and corona, respectively.)
The amount of visible light emitted by the Sun varies only a little over the 11-year sunspot cycle. But the amount of \(X\) rays emitted by the Sun can be 10 times greater at solar maximum than at solar minimum. Explain why these two types of radiation should be so different in their variability.
Explain how studying the oscillations of the Sun's surface can give important, detailed information about physical conditions deep within the Sun.
How do astronomers know that the temperature of the corona is so high?
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