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On August 22, there were some unusual movements in the A-share commercial aerospace concept stocks. Fenghuo Electronics rose to its daily limit, and Yitong Century surged during the session, once rising by nearly 20%; Hangyu Micro, Aerospace Huanyu, Aerospace Chenguang, and Tianyin Mechanical and Electrical had the highest increases.

According to the news, SpaceX has finally finalized the execution time of the spacewalk mission. In the early morning of August 26 (next Monday) local time, SpaceX's Dragon spacecraft will be launched from Florida, USA, carrying four passengers for a five-day space trip. They will go to a flight orbit about 1,400 kilometers away from the earth to complete the first spacewalk mission, that is, astronauts wear space suits designed by SpaceX to go out of the cabin.

This is the furthest space journey from Earth in more than 50 years since NASA's Apollo program, and will pass through the Van Allen radiation belts - rings of high-energy particles trapped in the Earth's magnetic field.The mission marks the first commercial spacewalk by humans。

August 19th, local time,Musk wrote: This will be an epic feat.

This launch mission, named "Polaris Dawn", is the first leg of the manned space program "Polaris Program" (the Polaris Program will carry out at least three space flight missions). It was initiated by Jared Isaacman and SpaceX. The launch time of the mission was originally scheduled for the fourth quarter of 2022, but it has been postponed several times so far.

It is reported that,"Polaris Dawn" will last for 5 days, among which the spacewalk on the 3rd day will attract the most attention. It is expected to last for two hours, and the entire spacewalk process will be broadcast live.

Two astronauts will leave the spacecraft, and the remaining two will stay in the spacecraft for support. Isaacman is one of them. He said he understands the risk of spacewalking, "which means he and his companions will be surrounded by death."

Isaacman is the founder and CEO of Shift4Pay, an American payment service provider. Apart from being a billionaire and technology entrepreneur, he is also an avid flying enthusiast and has participated in flying stunts.

Isaacman participated in the first "all-civilian" space tourism project in history, "Inspiration 4", and served as the commander in September 2021. At that time, he and three other "civilians" took the "Dragon" spacecraft to fly around the earth for about three days and returned. The flight altitude was about 575 kilometers from the ground.

Isaacman will again serve as commander on the Polaris Dawn mission, with other passengers including retired U.S. Air Force pilot Scott Kidd, who was one of the ground commanders for Inspiration 4. The other two passengers are SpaceX employees Sarah Gillis and Anna Menon.

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