Our sun is one star among billions of stars in the milky way. however, it is diicult to determine the exact number of stars. by observing the nearby stars around us, you find that the local den sity of stars is 0.05 stars/(light-year)3. for simplicity, assume that the milky way has a cylindrical shape with a diameter of 100,000 light-years and a thickness of 1,000 light-years. use this information to estimate the total number of stars in the milky way.