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| Patterns of the stars in the sky |
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| a cluster of billions stars |
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| a Galaxy with billions of stars. |
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| how we measure things in space, it is the distance that light travels within one year |
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| the change in position of an object when you look from different places. |
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| Stars that are about the size of earth. |
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| stars that are smaller than earth. |
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| the amount of light that a star gives. |
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| the layer of the star that gives off light. |
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| brightness of a star as seen from earth. |
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| a star’s brightness if it were at a standard distance from earth. |
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Term
| Hertzsprung-Russel Diagram |
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Definition
| a plot of luminosity (absolute magnitude)that forms a diagonal band. |
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