When a world-famous astronaut returns home from his latest mission, he brings a unique souvenir to his wife and two children: a piece of an asteroid that hit his space station. But soon, strange things start to happen and nine-year-old Katie becomes convinced {Ziyuantun.Com}that aliens have moved in. 译文(3): 当一位世界著名的宇航员完成最近的任务回国时，他给妻子和两个孩子带来了一件独特的纪念品：一块撞上了他的空间站的小行{资源屯-ziyuantun.com}。但很快，奇怪的事情开始发生，九岁的凯蒂确信外星人已经搬进来了。
