This website explains the evolution, properties, components, and composition of stars. It is appropriate for a non-technical introduction to stars in the high school classroom. The author opens by talking about Hipparchus' magnitude scale for stars and the scales astronomers use today. The website then explores the properties that define a star, its composition, and its evolution on the H-R diagram depending on its mass. Each section contains multiple links to further information for teachers and learners.
%0 Electronic Source %A Kaler, James %D June 27, 2007 %T The Natures of the Stars %V 2017 %N 17 January 2017 %8 June 27, 2007 %9 text/html %U http://stars.astro.illinois.edu/sow/star_intro.html
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