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doit_the_clown doit_the_clown
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7 years ago
What makes a red giant star so large?
A)   The helium-rich core has expanded, pushing the outer layers of the star outward.
B)   The hydrogen-burning shell is heating the envelope and making it expand.
C)   Red giants are rapid rotators, and centrifugal force pushes the surface of the star outward.
D)   The star has many times more mass than the Sun.
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Discovering the Universe

Discovering the Universe


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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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doit_the_clown Author
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7 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
Jadakiss
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Yesterday
Brilliant ツ
macbookpro1
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This site is awesome
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