Models of mass distribution in the Milky Way are discussed where those yielding the potential analytically are preferred. It is noted that there are three main contributors to the Milky Way potential: bulge. disc and dark halo. In the case of the disc the Miyamoto-Nagai formula. https://www.trendingcustomes.shop/product-category/set-of-8-snowflake-shaped-wooden-ornaments/