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doit_the_clown doit_the_clown
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7 years ago
Which part of the Hertzsprung-Russell diagram is occupied by protostars?
A)   To the left of the main sequence
B)   A band running from upper right to lower left
C)   A band running from upper left to lower right
D)   To the right of the main sequence
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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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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discovererdiscoverer
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7 years ago
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This helped my grade so much Perfect
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Thank you, thank you, thank you!
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Thanks
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