71018 aters ≈100 light-years 一百光年 A skyful of distinct stars:One among them,central,but too faint to pick out,is our sun. The star Arcturus,prominent in the northern sky of earth,shines brightly.Arcturus is in- trinsically more luminous than our sun,and here we are nearer to it as well. m▣P,C▣m一 百 光 年