Hertzsprung-Russell Diagram Poster
$3.99
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Learn how a star will evolve over time with this exclusive Hertzsprung-Russell diagram poster. A star's location on the Hertzsprung-Russell (HR) diagram is related to its age and mass, which also determine how that star will evolve through the diagram over time. Size: 11" x 17" Ships rolled and tubed.
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$1.25
$3.99
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