This section of the Sloan Digital Sky Survey's website provides an excellent explanation of how Astronomers are able to use red-shift to explain the expansion of the universe. An activity is provided for a user to retrace Edwin Hubble's steps of measuring magnitudes and calculating redshifts to make a Hubble Diagram.
These pages are part of a large set of projects and activities provided by the Sloan Digital Sky Survey for advanced astronomy students.
<a href="https://www.compadre.org/astronomy/items/detail.cfm?ID=601">Sloan Digital Sky Survey. Sloan Digital Sky Survey: The Hubble Diagram. Seattle: Sloan Digital Sky Survey, February 11, 2007.</a>
Sloan Digital Sky Survey: The Hubble Diagram. (2007, February 11). Retrieved June 20, 2018, from Sloan Digital Sky Survey: http://cas.sdss.org/dr5/en/proj/advanced/hubble/
Sloan Digital Sky Survey. Sloan Digital Sky Survey: The Hubble Diagram. Seattle: Sloan Digital Sky Survey, February 11, 2007. http://cas.sdss.org/dr5/en/proj/advanced/hubble/ (accessed 20 June 2018).
Sloan Digital Sky Survey: The Hubble Diagram. Seattle: Sloan Digital Sky Survey. 11 Feb. 2007. 20 June 2018 <http://cas.sdss.org/dr5/en/proj/advanced/hubble/>.
@misc{
Title = {Sloan Digital Sky Survey: The Hubble Diagram},
Publisher = {Sloan Digital Sky Survey},
Volume = {2018},
Number = {20 June 2018},
Month = {February 11, 2007},
Year = {}
}
%0 Electronic Source %D February 11, 2007 %T Sloan Digital Sky Survey: The Hubble Diagram %I Sloan Digital Sky Survey %V 2018 %N 20 June 2018 %8 February 11, 2007 %9 application/java %U http://cas.sdss.org/dr5/en/proj/advanced/hubble/
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