北京时间8月6日,“好奇”号火星车已在火星表面着陆。它将探索火星过去或现在是否存在适宜生命存在的环境。神秘的火星一直吸引着人们关注的目光,自从航天时代开始以来世界各国已经向火星发射了超过40颗探测器,科学家们迫切地想知道,尽管现在满目荒凉,但在历史上这颗红色的行星上是否曾经存在过生命。但是尽管科学家们兴致高涨,仍然有人发出这样的疑问:火星探测是否真的是一项值得去做的投资?因为很显然,探测火星并不便宜。当然我们很难开列出一张完整的收支清单,但在过去的48年中美国宇航局在火星探测项目上的确开销不 Beijing on August 6, “Curiosity ” rover has landed on the surface of Mars. It will explore the existence of an environment suitable for life in the past or present. The mysterious Mars has always attracted the attention of people. Since the beginning of the space age, all over the world have launched more than 40 detectors to Mars. Scientists are eager to know that although it is desolate, the red planet in history Have you ever had life? However, despite the high spirits of scientists, some people still ask whether Mars exploration really is an investment worth doing because it is clear that detecting Mars is not cheap. Of course, it is hard to find a complete list of receipts and disbursements, but NASA did not spend on the Mars exploration project over the past 48 years