Gemini in the history of chemistry _ What is Gemini in the history of chemistry?

Gemini 2 was launched in June 65438 +0965+654381October 65438 +09 for unmanned orbital flight test, but it has not been recovered.

1on March 23rd, 965, Gemini 3 made its first manned space flight, which was completed by astronauts Virgil I Gleason and John W. Young. During the flight, the astronauts started the propeller to change the orbit shape and implemented a slight inclination change. Two months later, astronauts James A. McDivitt and Edward H. White flew into space in Gemini 4 for five days. On the third lap of their orbit, White achieved the first spacewalk in the United States. When leaving the cabin, it is connected by pipes and cables, and the space maneuver is realized by small hand-held rockets.

An important task of Gemini project is to realize orbital rendezvous and docking. 1965, 12, 12, 65438, on February 4th and 5th, Gemini 7 and Gemini 6A went into space respectively, realizing the rendezvous in space, flying continuously for more than 7 hours, with a distance of only 40m, and the latest flight was only 0.3m.. Later, the missions of Gemini 8 and Gemini 9A were to dock with the Aquinas rocket, but they were not realized. 1966 July 18, Gemini 10 entered the orbit with john young and Michael John john collins, realizing the docking task with "Aquinas 3" and completing the key technologies of the moon landing plan. Then Gemini 1 1 and Gemini 12 realized two docking tasks respectively.

So far, the "Gemini" plan has successfully achieved its expected goal. As a transitional independent plan, it has made many pioneering achievements and provided extremely valuable experience and scientific and technological achievements for the Apollo moon landing program. During the whole flight, the astronauts conducted 52 experiments and took 1400 color photos at different heights of the earth, which comprehensively studied the long-term work and life of people in space. It provides a lot of practical activities for aerospace technicians and ground crew to launch rockets. By the end of the Gemini 12 flight, American astronauts had recorded 2000 hours of space flight time, while the Soviet Union's flight time was only over 500 hours, and Americans began to lead the Soviet Union.