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symbo symbo
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Posts: 1970
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7 years ago
Which two physical parameters of stars are plotted on the Hertzsprung-Russell diagram to show the systematics of a group of stars (e.g., a cluster)?
A)   Mass and apparent magnitude   C)   Luminosity and surface temperature
B)   Luminosity and radius   D)   Surface temperature and mass
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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hyponoticahyponotica
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Posts: 1396
7 years ago
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symbo Author
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7 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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Yesterday
Brilliant
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2 hours ago
Smart ... Thanks!
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