The last time a human was on the Moon was in 1972. Since then, technology has taken giant steps, and more and more countries have developed their space program, but despite this, human beings have not returned to visit the Moon. What are the reasons?

The main motivation
To find the reasons that led to the trip to the Moon, we have to go back to the end of the decade of, the 60s. After World War II, during the Cold War, the United States and the Soviet Union engaged in the Space Race, a stubborn struggle between the two powers whose ultimate goal was to place a citizen of the nation on the surface of the Moon.

The high cost of stepping on the moon again
Reaching the moon was not an easy feat to achieve because, in addition to the technological challenges we will discuss later, there were also many economic challenges.
What happened to technology?
Today NASA has the new rocket SLS ("Space Launch System"), which will be the successor of the Atlas V that was responsible for taking astronauts to the Moon; this rocket made its debut with the launch of the Artemis 1 Mission, which was a success, managing to take the Orion capsule to the orbit of the Moon, which will be the new spacecraft that will transport humans to the lunar surface.

The problem of fuel supply
Before successfully taking off, the Artemis 1 mission was canceled two times due to technical failures in the fuel system; these failures are the same ones that caused the cancellation of the Apollo missions and the same ones suffered by the shuttles.

Reusing rockets
The reason why NASA continues to use hydrogen fuel is its high efficiency since it is the element that provides greater thrust and less weight. Still, another important reason is the law; we are not talking about physical laws but political ones.

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Credits: Ron Miller, Mark A. Garlick / MarkGarlick.com ,Elon Musk/SpaceX/ Flickr
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00:00 Intro
00:15 The main motivation
2:02 The high cost
3:52 What happened to technology
5:50 The problem of flue supply
7:38 reusing rockets

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