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symbo symbo
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Posts: 1970
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7 years ago
Which one of the following statements is TRUE?

(a)   The light from more distant galaxies is more redshifted because the photons have been travelling for a longer time to get here.
(b)   The light from more distant galaxies is more redshifted because more distant galaxies are travelling faster through space.
(c)   The light from more distant galaxies is more redshifted because there is more absorbing matter between the more distant galaxies and us.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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hyponoticahyponotica
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7 years ago
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symbo Author
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6 years ago
This did it for me! Thank you
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