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Title: Spiral arms appear bright because ________. Post by: killian on Apr 30, 2014 Spiral arms appear bright because ________.
A) they contain more hot young stars than other parts of the disk B) they contain far more stars than other parts of the galactic disk C) they contain more molecular clouds than other parts of the disk D) they are the only places where we find stars within the disk of the galaxy Title: Re: Spiral arms appear bright because ________. Post by: padre on Apr 30, 2014 Content hidden
Title: Re: Spiral arms appear bright because ________. Post by: killian on Apr 30, 2014 Thank you.
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