The dark areas, the 'mare' plains of the moon, are so incredibly smooth that the English astronomer Thomas Gold has suggested that they might really be depressions filled to the brim with dust. A rocket hit would show whether they are that or not.
No one can deny that Russia fired some big rockets and placed satellites into orbit. But there's been a deluge of poppycock about 'miraculous' scientific advances that enabled them to do it. Much of this analysis reflects ignorance about rocketry.