Detailed measurements of the disk and central bulge region of our Galaxy suggest our Milky Way is a

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Detailed measurements of the disk and central bulge region suggest our Milky Way has a spiral structure, with a central bar and spiral arms. This is supported by observations of the distribution of gas and dust, as well as the motion of stars in the galaxy. While the Milky Way does have some characteristics of other types of galaxies (such as an elliptical central bulge and a somewhat irregular shape), it is best classified as a spiral galaxy.

Detailed Measurements of the Disk and Central Bulge Region of Our