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symbo symbo
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Posts: 1970
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7 years ago
What is a typical size for a giant molecular cloud?
A)   100 ly across.   C)   Anything up to about 1 ly across.
B)   1000 ly across.   D)   10 ly across.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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papachulopapachulo
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7 years ago
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symbo Author
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7 years ago
Brilliant
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You make an excellent tutor!
ky
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2 hours ago
This site is awesome
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