On July 21, 1969, Neil Armstrong walked on the moon, the culmination of a landlord's dream. Return to the main character of space exploration.
● $ 25 billion in investment
This is an estimate of the costs of various Apollo missions. In total, there were 17, six of whom saw astronauts landing on the Earth satellite. Nearly 400,000 people work, near and far, on these different projects.
● 600 million viewers
More than half a billion men and women watched in front of their television in the first step of Man on the Moon during the Apollo 11 mission, led by Neil Armstrong, Buzz Aldrin and Michael Collins. It remains one of the television shows that has attracted the largest number of viewers.
READ ALSO – The Moon, the eighth continent that must be conquered
● 21 kg of moonstone
This is what Neil Armstrong collected for two hours, thirty-six minutes and forty seconds spent on the Moon. Collecting geological samples is one of the missions of astronauts that were sent for the first time in 1969 on the Earth satellite. In 2017, a bag of moon dust was brought back by Neil Armstrong during the Apollo 11 mission, auctioned for $ 1.8 million. 500 grams of dust and twelve small gravels are harvested in an area called "Sea of Serenity".
● 12 astronauts
They are twelve people who walk on the moon: all Americans. This different journey took place between 1969 and 1972, with six missions. If the Apollo 11 crew remains the best known, here are the names of other astronauts who have achieved this achievement: Charles Conrad Junior and Alan Bean (Apollo 12), Alan Shepard and Edgar Mitchell (Apollo 14), David Scott and James Irwin (Apollo 15), John Young and Charles Duke (Apollo 16), Eugene Cernan and Harrison Schmitt (Apollo 17).
Since then, no one has set foot there. If three missions are planned after Apollo 17, NASA estimates that operating costs are too important, in addition to decreasing public interest in conquering the moon.
»READ ALSO – Europe prepares to conquer the Moon
● $ 30 billion
Asked by CNN about the future mission on the moon, Jim Bridenstine, NASA administrator, said the operating costs could reach $ 30 billion. If the Artemis project wants to encourage men on the Moon in 2024, the number of operations that cools current government agencies. This project is one of Trump's administrative priorities, which recently released a $ 1.6 billion extension to NASA, bringing the 2020 budget to $ 21 billion.