Seudónimo
Seudónimo
20-01-2017
SAT
contestada
What is a H-R diagram
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Katelynn24
Katelynn24
20-01-2017
An H-R diagram or known as "The Hertzsprung Diagram" is a graphical tool that astronomers use to classify stars according to their luminosity, spectral type, color, temperature, and evolutionary stage.
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