Colonization of the Moon the Soviet leadership made some of its first public pronouncements about landing a man on the Moon and establishing a lunar base. Crewed exploration of the lunar surface began in 1968 when the Apollo 8 spacecraft orbited the Moon with three astronauts on board. This was mankind's first direct view of the far side. The following year, the Apollo 11 Apollo Lunar Module landed two astronauts on the Moon, proving the ability of humans to travel to the Moon, perform scientific research work there, and bring back sample materials. Additional missions to the Moon continued this exploration phase. In 1969,
The First Men in the Moon by Mr. Tesla in America", has picked up fragments of radio communications from Cavor sent from inside the moon. During a period of relative freedom Cavor has taught two Selenites English and learned much about lunar society. Cavor's account explains that Selenites exist in thousands of forms and find fulfilment in carrying out the specific social function for which they have been brought up: specialisation is the essence of Selenite society. "With knowledge the Selenites grew and changed; mankind stored their knowledge about them and remained brutes—equipped," remarks the Grand Lunar, when he finally meets Cavor and hears about life