[填空题]
A typical white-dwarf star, which once was an average star/ b )nx4p1cjhc like,j s cih(m 8fd9f)6sloiel, c3cp9v-x our Sun but is now in the last stage of its evolution, is the size of our Moon but has the mass of our Sun. What is the surface gravity cx9lcd6)fe fs(jci 3pv,-l,iosh 89m on this star? $\times 10^7$
