Asked by justin
Which type of galaxy has arms that contain sites of active star formation and start close to a bulge in the center?
elliptical
irregular
barred spiral
normal spiral
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normal spiral
In unbarred (normal) spiral galaxies the spiral arms begin near the central bulge and contain H II regions and young stars — sites of active star formation. Barred spirals have arms that begin at the ends of a central bar.
In unbarred (normal) spiral galaxies the spiral arms begin near the central bulge and contain H II regions and young stars — sites of active star formation. Barred spirals have arms that begin at the ends of a central bar.
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