#grand_design_spiral_galaxy
Grand design spiral galaxy
Type of spiral galaxy with prominent and well-defined spiral arms
A grand design spiral galaxy is a type of spiral galaxy with prominent and well-defined spiral arms, as opposed to multi-arm and flocculent spirals which have subtler structural features. The spiral arms of a grand design galaxy extend clearly around the galaxy through many radians and can be observed over a large fraction of the galaxy's radius. As of 2002, approximately 10 percent of all currently known spiral galaxies are classified as grand design type spirals, including M51, M74, M81, M83, and M101.
Sat 13th
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