[填空题]
The asteroid Icarus, though jxf; mwyv2 x1+c o:f5ionly ay)ktrb/e ))rm6pzwkpy2k( ) i few hundred meters across, orbits the Sun like the planets. Its period is 410 d. What is its )(mp/y pirkr))bt)6 2zke wy kmean distance from the Sun? $\times 10^{11}$
