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Why do astronomers conclude that the spiral arms are places of active star formation?
Well-Reasoned Arguments
Arguments that are logically structured, clearly presented, and supported by solid evidence.
Reflective Way
A thoughtful approach or method characterized by meditation or serious thought about one's experiences and actions.
Lower Guinea
A historical term for a coastal area in West Africa, approximately in the region of the modern countries of Ghana, Togo, Benin, and Nigeria.
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