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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
In the self-propagating star formation theory
A)   spiral arms are formed and sustained primarily by the actions of solar-mass stars because there are so many more of them than there are high-mass stars.
B)   spiral arms are poorly defined because they are formed and sustained primarily by the actions of short-lived massive stars.
C)   the passage of dust clouds through the spiral arms triggers star formation.
D)   spiral structure results with thin, well-defined arms.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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papachulopapachulo
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symbo Author
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#2
7 years ago
It's correct Smiling Face with Open Mouth
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