By Admin 
NASA is once again busy preparing to send humans to the moon. This mission series is called Artemis Mission, which is to be completed in three big stages Artemis I, Artemis II and Artemis III. At the same time, the purpose of these three missions of NASA is different and all are connected to each other. In such a situation, let us tell you today what is the difference between Artemis I, II and III.
Artemis I first test mission without humans
Artemis I was the beginning of this entire series. This was an uncrewed mission, meaning no humans were involved in it. In this mission, NASA tested its new Space Launch System rocket and Orion spacecraft by sending it to the lunar orbit for the first time. During this time, the Orion capsule remained on a journey of about 25 days and after circling the Moon, it landed safely in the Pacific Ocean. The purpose of this mission was to investigate important technologies like rockets, spacecraft, navigation systems and re-entry, so that all the dangers could be understood before sending humans further.
Artemis II, the first manned flight to the Moon
Artemis II is going to be NASA’s first crewed mission, in which four astronauts will fly towards the moon in the Orion spacecraft. This mission will not land on the moon, but will flyby around the moon and then return to Earth. The duration of this mission will be about 10 days. In this, there will be a real test of astronaut safety, life support system, radiation protection, navigation and emergency system. The most special safety technology of Artemis II is its free-return trajectory. Even if for some reason the main engine fails, the mission will not be in danger. At the same time, the gravitational power of the Moon will automatically turn the Orion capsule in such a way that it returns towards the Earth without extra fuel. This method was also used in the Apollo missions and is considered very reliable.
Artemis III will return humans to the Moon after 50 years.
Artemis III is considered to be the most important and historic mission. Under this, humans will land on the surface of the moon for the first time since 1972. This mission will land in the South Pole region of the Moon, where no human has reached till now. In this mission, Orion spacecraft will take passengers to the lunar orbit. The Artemis III mission is scheduled for 2027.
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