18-12-2016
Biology

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what is a redshift? (question #3 on the paper, not sure if the graph on there will help)

what is a redshift? (question 3 on the paper, not sure if the graph on there will help) class=

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Anonymous Anonymous

18-12-2016

A redshift is the displacement of spectral lines toward longer wavelength in radiation from distant galaxies and celestial objects. This is interpreted as a doppler shift that is proportional to the velocity of recession and thus to distance.

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SydneyW SydneyW

18-12-2016

When light or other electromagnetic radiation from an object is increased in wavelength, or shifted to the red end of the spectrum

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