Horizons: Exploring the Universe (MindTap Course List)
14th Edition
ISBN: 9781305960961
Author: Michael A. Seeds, Dana Backman
Publisher: Cengage Learning
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Textbook Question
Chapter 18, Problem 4P
If you observe light reflected from Saturn’s rings, you should see a redshift at one edge of the rings and a blueshift at the other edge. If you observe a spectral line and see a difference in wavelength of 0.0560 nm between opposite edges of the rings, and the unshifted wavelength (observed in the laboratory) is 500. nm, what is the orbital velocity of particles at the outer edge of the rings? (Hint:
Use the Doppler shift formula in Reasoning with Numbers 6-2.)
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If Titan could be moved out to the orbit of Neptune would its atmosphere freeze into solid nitrogen? The formula to estimate the blackbody radiation temperature in Kelvin is:
where α is the albedo at 0.3, L the luminosity is 1.5 Watts/meter2, σ , the Stefan Boltzmann constant is 5.67 X10-8 W/m2/K. What would be the temperature and would the atmosphere freeze out if the freezing point of N2 gas 63 K?
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63 K, maybe
75 K, no
46 K, yes
103 K, no
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Chapter 18 Solutions
Horizons: Exploring the Universe (MindTap Course List)
Ch. 18 - Why is Jupiter so much richer in hydrogen and...Ch. 18 - How can Jupiter have a liquid interior and not...Ch. 18 - How does the dynamo effect account for the...Ch. 18 - Why are the belts and zones on Saturn less...Ch. 18 - Why do astronomers conclude that none of the...Ch. 18 - How can a moon produce a gap in a planetary ring...Ch. 18 - Explain why the amount of geological activity on...Ch. 18 - Prob. 8RQCh. 18 - Prob. 9RQCh. 18 - Prob. 10RQ
Ch. 18 - What are the seasons on Uranus like?Ch. 18 - Prob. 12RQCh. 18 - What evidence is there that Neptune’s moon Triton...Ch. 18 - How do astronomers account for the origin of...Ch. 18 - What evidence indicates that catastrophic impacts...Ch. 18 - Prob. 16RQCh. 18 - Some astronomers argue that Jupiter and Saturn are...Ch. 18 - Prob. 2DQCh. 18 - What is the maximum angular diameter of Jupiter as...Ch. 18 - What is the angular diameter of Jupiter as seen...Ch. 18 - Measure the polar and equatorial diameters of...Ch. 18 - If you observe light reflected from Saturn’s...Ch. 18 - One way to recognize a distant planet is by its...Ch. 18 - If Uranus’s epsilon ring is 50 km wide and the...Ch. 18 - If Neptune’s clouds have a temperature of 60 K, at...Ch. 18 - Prob. 8PCh. 18 - Prob. 9PCh. 18 - The orbital period of Charon is given in the...Ch. 18 - Prob. 1LTLCh. 18 - Prob. 2LTLCh. 18 - Prob. 3LTL
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