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Earth’s Moon. Nikos Haralampidis
Half a century ago, President John Kennedy challenged the country to land a man on the Moon — and return him safely to Earth — by the end of the 1960s. It took only 8 years to achieve his vision. In all, 24 astronauts journeyed to the Moon in nine flights (three people flew two missions each), and six pairs of astronauts explored the lunar surface.