1. 科学小组准备制作一份“地球、太阳、月球”科普小报，于是他们搜集了一些资料。请你帮他们连一连。

                                                                                                  两极稍扁、赤道略鼓的不规则的球体

太阳                                                                                           表面积约为5.1亿平方千米

地球                                                                                           距离地球大约1.5亿千米

                                                                                                 直径约为 139.2万千米

月球                                                                                           围绕恒星运行、本身不能发光的天体

                                                                                                 没有空气，表面有环形山