Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 5, Problem 14Q
To determine
The similarities and differences between the spectra of the Sun and a blackbody.
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When astronomers look at the spectrum of the Sun, they noticed that the light from one edge is slightly blue-shifted, while light from the opposite age is slightly red-shifted. What does this tell you about the Sun?
If you observe a star’s blackbody spectrum twice, once from Earth and once from a space shuttle above Earth’s atmosphere, what will you see?
An absorption spectrum from Earth and a continuous spectrum from space
An absorption spectrum from space and a continuous spectrum from Earth
An absorption spectrum from space and an absorption spectrum with more absorption lines from Earth
An absorption spectrum from Earth and an absorption spectrum with more absorption lines from space
A bright red star is moving towards Earth. Which of the choices best completes the following statement describing the spectrum of this star? A(n) ___________ spectrum that is _______ relative to an unmoving star.
A.
continuous; blueshifted
B.
continuous; redshifted
C.
emission; redshifted
D.
absorption; blueshifted
E.
absorption; redshifted
Chapter 5 Solutions
Universe
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Ch. 5 - Prob. 11CCCh. 5 - Prob. 12CCCh. 5 - Prob. 13CCCh. 5 - Prob. 14CCCh. 5 - Prob. 1CLCCh. 5 - Prob. 2CLCCh. 5 - Prob. 3CLCCh. 5 - Prob. 1QCh. 5 - Prob. 2QCh. 5 - Prob. 3QCh. 5 - Prob. 4QCh. 5 - Prob. 5QCh. 5 - Prob. 6QCh. 5 - Prob. 7QCh. 5 - Prob. 8QCh. 5 - Prob. 9QCh. 5 - Prob. 10QCh. 5 - Prob. 11QCh. 5 - Prob. 12QCh. 5 - Prob. 13QCh. 5 - Prob. 14QCh. 5 - Prob. 15QCh. 5 - Prob. 16QCh. 5 - Prob. 17QCh. 5 - Prob. 18QCh. 5 - Prob. 19QCh. 5 - Prob. 20QCh. 5 - Prob. 21QCh. 5 - Prob. 22QCh. 5 - Prob. 23QCh. 5 - Prob. 24QCh. 5 - Prob. 25QCh. 5 - Prob. 26QCh. 5 - Prob. 27QCh. 5 - Prob. 28QCh. 5 - Prob. 29QCh. 5 - Prob. 30QCh. 5 - Prob. 31QCh. 5 - Prob. 32QCh. 5 - Prob. 33QCh. 5 - Prob. 34QCh. 5 - Prob. 35QCh. 5 - Prob. 36QCh. 5 - Prob. 37QCh. 5 - Prob. 38QCh. 5 - Prob. 39QCh. 5 - Prob. 40QCh. 5 - Prob. 41QCh. 5 - Prob. 42QCh. 5 - Prob. 43QCh. 5 - Prob. 44QCh. 5 - Prob. 45QCh. 5 - Prob. 46QCh. 5 - Prob. 47QCh. 5 - Prob. 48QCh. 5 - Prob. 49QCh. 5 - Prob. 50QCh. 5 - Prob. 51Q
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- Which surface has a higher temperature — the surface of a yellow star or that of a red star?arrow_forwardIf you pass sunlight through a spectroscope you will see a(n)______________spectrum which can tell you what the Sun is made of.arrow_forwardA blue-hot star is about twice as hot as a red-hot star. But the temperatures of the gases in advertising signs are about the same, whether they emit red or blue light. What is your explanation?arrow_forward
- Choose the correct statements concerning the electromagnetic spectrum given off by stars. (Give ALL correct answers, i.e., B, AC, BCD...) A) Blue photons are more energetic than red photons. B) A hot star will be more red in color than a cooler star. C) All stars are the same color as our Sun. D) Hot stars are much brighter than cool stars of the same size and distance from the Earth. E) If we see a blue star and a red star in a nearby star cluster, we know the red star is hotter. F) Blue photons (blue light) have a longer wavelength than red photons.arrow_forwardYou move your outdoor plant (where it is growing with full sun conditions - receiving all wavelengths of light in the visible spectrum) inside for winter. You now grow it under a green grow light bulb (energy emitted is only in the green wavelength, but is the same intensity as full sun conditions). You predict its rate of photosynthesis (only considering the change in light wavelength) will: Increase Decrease Remain the samearrow_forward
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