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Home Q & A Board Science-Related Homework Help Physics
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symbo symbo
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7 years ago
How long will the Sun have spent as a main-sequence star when it finally begins to evolve toward the red-giant phase?
   A)  1 billion years    B)  1 million years    C)  1011 years    D)  1010 years
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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7 years ago
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symbo Author
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#2
6 years ago
Very informative, I appreciate the extra effort
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