1970年,非洲国家赞比亚的M a r y Jucunda修女写信给美国国家航空航天局马歇尔太空飞行中心科学副总监Ernst Stuhlinger,质疑地球上还有这么多孩子吃不饱饭,为什么N A S A要花费数十亿美元去探索火星。Ernst Stuhlinger在回信中答道,太空旅行是一项充满挑战的事业,通往火星的航行并不能直接提供食物,解决饥荒问题,然而,它所带来的大量新技术和新方法可以用在火星项目之外,这将产生数倍于成本的收益。今天的中国面临着同样的问题,我们的医疗、教育、住房等民生项目 In 1970, Sister N ary Jucunda of Zambia from Africa wrote to Ernst Stuhlinger, the science assistant director of the NASA Marshall Space Flight Center, questioning why so many children on the planet are not enough to eat and why NASA spends billions of dollars To explore Mars. In reply, Ernst Stuhlinger replied that space travel is a challenging undertaking and that the voyage to Mars can not provide food directly and solve the problem of famine. However, the numerous new technologies and new methods it brings can be used on Mars Outside the project, this will generate several times the cost of revenue. Today, China faces the same problem. Our health care, education, housing and other livelihood projects