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In 1969, Apollo 11 landed on the moon. Neil Armstrong became the first human to set foot on the moon. A total of 12 people have been to the moon and back until Apollo 17 in 1972. Since then, human exploration of the moon has stopped for over 50 years. Despite the tremendous advancement in science and technology during that time. Only recently has the United States established the 'Artemis Project' to set foot on the moon again. What happened that prevented us from going to the moon in the past? And why are we going to the moon again now? Videos worth watching together • Part 1 of the Unification of Weights and Measures. Scientists' 1-meter expedition that took 7 years • Part 2 of the Unification of Weights and Measures. The determination of 1 meter is still in progress • Why all countries use Arabic numerals ------------------------------------------------------------------------------------------- Volume 3 of 'When I'm Hungry for Life, I Read Liberal Arts' has been published. This will likely be the last book in this series. Volume 1 was selected for the '2023 Sejong Book Excellence in Liberal Arts' category. Please give us lots of support. Book purchase links: Volume 3 https://bit.ly/4couX9n Volume 2 https://bit.ly/44RuVmt Volume 1 https://bit.ly/3tnybpW #ReasonForCessationOfMoonExploration #MoonExplorationPlan #PurposeOfMoonExploration