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doit_the_clown doit_the_clown
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7 years ago
What are the two physical parameters of stars that are plotted in the Hertzsprung-Russell diagram?
A)   Mass and surface temperature   C)   Radius and mass
B)   Luminosity and mass   D)   Luminosity and surface temperature
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Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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hyponoticahyponotica
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7 years ago
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