当代科技的进步,已将人类的目光从纳米级的微观世界延伸到数万光年以外的浩瀚宇宙。但是人类足迹可涉及的范围却远没有如此广阔,往上看,“阿波罗”登月的壮举把足迹留在了38万千米外的月球表面,而脚下所能达到的深度就更有限了,目前最深的矿井位于南非的 The advancement of modern science and technology has extended the human eye from the nanoscale microcosm to the vast universe beyond tens of thousands of light years. However, the scope of the human footprints can be far beyond its reach. From the perspective of the above, Apollo left the footprint on the surface of the moon beyond 380,000 kilometers, and the depth to which the foot can reach is even more limited Now, the deepest mine is located in South Africa