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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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8 years ago
The observed spectral lines of a star are all shifted towards the red end of the spectrum. Which statement is true?
A) The star is not rotating.
B) This is an example of the Doppler effect.
C) The star has a radial velocity towards us.
D) The second law of Kirchhoff explains this.
E) This is an example of the photoelectric effect.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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#2
8 years ago
Exactly what I needed Smiling Face with Open Mouth
Minoring in physics
wrote...
#3
8 years ago
Slight Smile
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