The ________________ in other galaxies should contain luminous O and B stars if they are like the Milky Way. a.halos b.bulges c.spiral arms d.globular clusters e.coronas

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	a.	halos
	b.	bulges
	c.	spiral arms
	d.	globular clusters
	e.	coronas

The ________________ in other galaxies should contain luminous O and B stars if they are like the Milky Way. a. halos b. bulges c. spiral arms d. globular clusters e. coronas