Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 16, Problem 43Q
To determine
The wavelength of maximum emission for a sunspot’s umbra, and the wavelength of maximum emission for a sunspot’s penumbra. Also find the part of
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Chapter 16 Solutions
Universe
Ch. 16 - Prob. 1CCCh. 16 - Prob. 2CCCh. 16 - Prob. 3CCCh. 16 - Prob. 4CCCh. 16 - Prob. 5CCCh. 16 - Prob. 6CCCh. 16 - Prob. 7CCCh. 16 - Prob. 8CCCh. 16 - Prob. 9CCCh. 16 - Prob. 10CC
Ch. 16 - Prob. 11CCCh. 16 - Prob. 12CCCh. 16 - Prob. 13CCCh. 16 - Prob. 14CCCh. 16 - Prob. 15CCCh. 16 - Prob. 16CCCh. 16 - Prob. 17CCCh. 16 - Prob. 18CCCh. 16 - Prob. 19CCCh. 16 - Prob. 1CLCCh. 16 - Prob. 2CLCCh. 16 - Prob. 1QCh. 16 - Prob. 2QCh. 16 - Prob. 3QCh. 16 - Prob. 4QCh. 16 - Prob. 5QCh. 16 - Prob. 6QCh. 16 - Prob. 7QCh. 16 - Prob. 8QCh. 16 - Prob. 9QCh. 16 - Prob. 10QCh. 16 - Prob. 11QCh. 16 - Prob. 12QCh. 16 - Prob. 13QCh. 16 - Prob. 14QCh. 16 - Prob. 15QCh. 16 - Prob. 16QCh. 16 - Prob. 17QCh. 16 - Prob. 18QCh. 16 - Prob. 19QCh. 16 - Prob. 20QCh. 16 - Prob. 21QCh. 16 - Prob. 22QCh. 16 - Prob. 23QCh. 16 - Prob. 24QCh. 16 - Prob. 25QCh. 16 - Prob. 26QCh. 16 - Prob. 27QCh. 16 - Prob. 28QCh. 16 - Prob. 29QCh. 16 - Prob. 30QCh. 16 - Prob. 31QCh. 16 - Prob. 32QCh. 16 - Prob. 33QCh. 16 - Prob. 34QCh. 16 - Prob. 35QCh. 16 - Prob. 36QCh. 16 - Prob. 37QCh. 16 - Prob. 38QCh. 16 - Prob. 39QCh. 16 - Prob. 40QCh. 16 - Prob. 41QCh. 16 - Prob. 42QCh. 16 - Prob. 43QCh. 16 - Prob. 44QCh. 16 - Prob. 45QCh. 16 - Prob. 46QCh. 16 - Prob. 47QCh. 16 - Prob. 48QCh. 16 - Prob. 50QCh. 16 - Prob. 51QCh. 16 - Prob. 52QCh. 16 - Prob. 53QCh. 16 - Prob. 54QCh. 16 - Prob. 55QCh. 16 - Prob. 56QCh. 16 - Prob. 57QCh. 16 - Prob. 58QCh. 16 - Prob. 59QCh. 16 - Prob. 60Q
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- Make a sketch of the Sun’s atmosphere showing the locations of the photosphere, chromosphere, and corona. What is the approximate temperature of each of these regions?arrow_forwardHow many watts of radiation does a 1-meter-square region of the Sun’s spot emit, at a temperature of 5000 K? How much would the wattage increase if the temperature of the spot were twice as much, 10 000 K?arrow_forwardIf a sunspot has a temperature of 4,430 K and the sunspot can be considered a blackbody, what is the wavelength (in nm) of maximum intensity of the sunspot's radiation?arrow_forward
- Write a brief constructive response about the SUN. In 5 sentencesarrow_forwardGive the following figure of the sun, label the features observed and describe some of the characteristics.arrow_forwardIn class we found an expression for the 'garden hose angle', ψ, and showed it had a typical value close to 45° (or 225°) near 1 AU. How would we expect this angle to change for very slow solar wind speeds? Choose the best answer below: A. ψ → 0° B. ψ → 90° C. ψ → 180° D. Not enough information providedarrow_forward
- Which is a good estimate for the amount of solar irradiance hitting the Earth’s surface on a clear day? Select only one. 1) 1kcal/ft^2 2) 1w/m^2 3) 100J/m^2 4) 1kw/m^2 5) 1BTU/ft^2arrow_forwardWhy is the solar zenith angle lower during summer than in winter?arrow_forwardSuppose YOUR body temperature averages 98.6 F. 1. How much radiant energy in Wm^-2 is emitted from YOUR body? 2. What is the total radiant energy in W that is emitted from YOUR body? 3. At what wavelength does YOUR body emit the largest amount of radiant energy?arrow_forward
- Calculate the total amount of radiative energy per second intercepted by Mars from the Sun using the flux of radiation from the Sun at Mars' orbital radius. Flux of radiation from the Sun at Mars' orbital radius is 597 W m-2. The luminosity of the Sun Ls = 3.8×1026 W. Mars orbits at a distance of 2.25×1011 m (1.5 AU) from the Sun. Note: Consider carefully the cross-sectional area Mars presents to the outwards flow of radiative energy when answering this question.arrow_forwardWhat types of changes effect the Sun's energy output? Cycle 24 Sunspot Number (V2.0) Prediction (2016 10) 300 200 100 Cycle Cycle Cycle 22 23 24 1985 1990 1995 2000 2005 2010 2015 2020 Hathaway NASA/ARC O A. 11 year solar sunspot cycles change the amount of radiation given off by the Sun. O B. As the Sun rotates more energy is scattered to space and less is retained on the surface. O C. Cycles of solar flares and prominences heat and cool the layers below the Sun's surface. O D. Solar energy is affected by the core output of photons.arrow_forwardOur Sun has a surface temperature of about 5800 K. Find the emitted power per square meter of peak intensity for a similar star with 4600 K that emits thermal radiation. Express your answer in scientific notation and with three significant figures.arrow_forward
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