The main concern of this SDSS project is to walk the student through the process of classifying stars. It begins by asking the student to make up his, or her, own classification system. Once the selection criteria is motivated, it explains how stars are categorized according to their spectral lines. A theoretical foundation is set by explaining the black body radiation and the origin of spectral lines. Finally the student is taught how to read the spectrum of a star and to look for characteristic features in it, that will facilitate the classification.
Sloan Digital Sky Survey. Sloan Digital Sky Survey: Types of Stars. Seattle: Sloan Digital Sky Survey, February 21, 2007. http://cas.sdss.org/dr5/en/proj/basic/spectraltypes/ (accessed 20 November 2014).
%0 Electronic Source %D February 21, 2007 %T Sloan Digital Sky Survey: Types of Stars %I Sloan Digital Sky Survey %V 2014 %N 20 November 2014 %8 February 21, 2007 %9 text/html %U http://cas.sdss.org/dr5/en/proj/basic/spectraltypes/
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