21st Century Astronomy (fifth Edition)
5th Edition
ISBN: 9780393603330
Author: Laura Kay, Stacy Palen, George Blumenthal
Publisher: W. W. Norton & Company
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Chapter 14.3, Problem 14.4CYU
To determine
The reason for sharp appearance of sun’s surface in visible light.
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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
Why was the detection of solar neutrinos important?
a) They have been suggested as an important source of solar energy.
b) They provide direct evidence for solar oscillations.
c) The provide direct evidence for the proton-proton chain.
Where does nuclear energy production (fusion) occur in the Sun?
a) In the nuclear zone
b) In all layers of the Sun
c) In the photosphere
d) In the core
Which of the following layers of the Sun can be seen with some type of telescope? Consider all forms of light, but do not consider neutrinos or other particles. (Give ALL correct answers in alphabetical order, i.e., B, AC, BCD...)A) Corona.B) Photosphere.C) Radiation Zone.D) Chromosphere.E) Convection Zone.F) Core.
Chapter 14 Solutions
21st Century Astronomy (fifth Edition)
Ch. 14.1 - Prob. 14.1CYUCh. 14.1 - Prob. 14.2CYUCh. 14.2 - Prob. 14.3CYUCh. 14.3 - Prob. 14.4CYUCh. 14.4 - Prob. 14.5CYUCh. 14 - Prob. 1QPCh. 14 - Prob. 2QPCh. 14 - Prob. 3QPCh. 14 - Prob. 4QPCh. 14 - Prob. 5QP
Ch. 14 - Prob. 6QPCh. 14 - Prob. 7QPCh. 14 - Prob. 8QPCh. 14 - Prob. 9QPCh. 14 - Prob. 10QPCh. 14 - Prob. 11QPCh. 14 - Prob. 12QPCh. 14 - Prob. 13QPCh. 14 - Prob. 14QPCh. 14 - Prob. 15QPCh. 14 - Prob. 16QPCh. 14 - Prob. 17QPCh. 14 - Prob. 18QPCh. 14 - Prob. 19QPCh. 14 - Prob. 20QPCh. 14 - Prob. 21QPCh. 14 - Prob. 22QPCh. 14 - Prob. 23QPCh. 14 - Prob. 24QPCh. 14 - Prob. 25QPCh. 14 - Prob. 26QPCh. 14 - Prob. 27QPCh. 14 - Prob. 28QPCh. 14 - Prob. 29QPCh. 14 - Prob. 30QPCh. 14 - Prob. 31QPCh. 14 - Prob. 34QPCh. 14 - Prob. 35QPCh. 14 - Prob. 36QPCh. 14 - Prob. 37QPCh. 14 - Prob. 38QPCh. 14 - Prob. 39QPCh. 14 - Prob. 40QPCh. 14 - Prob. 41QPCh. 14 - Prob. 42QPCh. 14 - Prob. 43QPCh. 14 - Prob. 44QPCh. 14 - Prob. 45QP
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- Neutrinos produced in the core of the Sun carry energy to its exterior. Is the mechanism for this energy transport conduction, convection, or radiation?arrow_forward21. While observing the Sun, you note a large number of sunspots. What can you conclude? This is a period of low solar activity. Earth's climate will be unusually cold. The Sun is less luminous than usual. There are likely to be an above average number of flares and prominences. The Sun's rotation is slower than average.arrow_forwardUsing the concept of hydrostatic equilibrium, explain why the Sun does not collapse under the weight of its own gravity.arrow_forward
- Describe how energy makes its way from the nuclear core of the Sun to the atmosphere. Include the name of each layer and how energy moves through the layer.arrow_forwardWhy do sunspots look dark?arrow_forwardStarting from the core of the Sun and going outward, the temperature decreases. Yet, above the photosphere, the temperature increases. How can this be?arrow_forward
- If a sunspot has a temperature of 4200 K and the average solar photosphere has a temperature of 5780 K, how much more energy is emitted in 1 second from a square meter of the photosphere compared to a square meter of the sunspot? (Hint: Use the Stefan-Boltzmann law, Eq. 7-1.)arrow_forwardCompare and contrast the four different types of solar activity above the photosphere.arrow_forwardDescribe the two main ways that energy travels through the Sun.arrow_forward
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