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Home Regent Questions New York State Earth Science June 2007 - Question 02
New York State Earth Science June 2007 - Question 02 PDF Print E-mail
Thursday, 30 July 2009 05:54
esjun07q (2)

Correct Answer: Option 3 – Moving away from earth

Hubble's law is the equation in physical cosmology that the recession velocity between various galaxies and the earth is proportional to their distance from earth. Redshift is defined as an increase in the wavelength of electromagnetic radiation received by a detector compared with the wavelength emitted by the source. This increase in wavelength corresponds to a drop in the frequency of the electromagnetic radiation.

Hence, options 1, 2 and 4 are incorrect.
Last Updated on Monday, 03 August 2009 09:52
 

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