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| the band of colors produced when white light passes through a prism |
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| the brightness of a star as seen from earth |
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| the brightness that a star would have at a distance of 32.6 light years from earth |
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| the distance that light travels in one year; about 9.46 trillion kilometers |
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| an apparent shift in the postition of an objectwhe viewed from different positions |
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| the location on the H-R diagramwhere most stars lie; it has a diagonal pattern from the lower right to the upper left |
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| hertzsprung-russel diagram, a graph that shows the relationships between a star's surface temperature and absolute magnitude |
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| a gigantic explosion in which a massive star collapses and throws its outer layers into space |
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