Calculating Redshift

calculating_redshift_attercop311_revised
Photo courtesy of attercop311/Flickr. CC BY.

Practice calculating redshift for the following. The formula for calculating redshift is as follows:

redshift_equation.JPG

Here is a practice problem. Important: When doing the calculations you may get numbers such as 3.258293. Round them to second decimal place, like 3.26.

Make sure you figure out how to get the correct answer because on your next quiz, you will be asked to solve some redshift calculations.

1. Observed wavelength is 649.188, expected wavelength is 648.976.
(scroll to the bottom of the page to check your answer)












Answer

1. 3.27 x 10-4

Last modified: Monday, 19 September 2011, 9:45 AM