21st Century Astronomy
21st Century Astronomy
6th Edition
ISBN: 9780393428063
Author: Kay
Publisher: NORTON
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Chapter 14, Problem 24QP
To determine

The reason why photosphere is not a true surface.

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If the color of the sun's photosphere's maximum intensity light is green, is this the color we normally observe for the photosphere? Why or why not? (I would assume it is not, but I do not know why...)
Match the Solar feature to its description. (Select P-Photosphere, C-Chromosphere, O-cOrona, W-solar Wind, F-Flares, T- sunspoTs. If the first is P and the rest C, enterPCCCCC). A) dark regions associated with the Sun's magnetic fieldB) flow of particles from the SunC) bright visible surface of the SunD) hot, rarefied gas surrounding the SunE) place where the majority of absorption lines formF) burst of energy that shows up as a sudden brightening of the Sun
If the temperature at the centre of the sun is 15,000,000 K and the temperature of the photosphere is 5,800 K, what is the ratio of the temperature at the centre of the Sun compared to the photosphere? Express your final answer in the fully factorised form x : 1, where x is a number that you should determine to an appropriate number of significant figures and write it using scientific notation.
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