SpaceX公司成功開展人類歷史上首次商業(yè)太空行走

Unlike simply paying for a ticket to enter the capsule, Isaacman is working with SpaceX this time by sharing the R&D costs, with the goal of testing SpaceX's spacesuit in space. Isaacman declined to disclose how much money he has borne, but it is estimated that his share is about $200 million. In addition, another purpose of his trip is to do public welfare publicity for St. Jude Hospital, which focuses on cancer research. His goal is to raise $200 million, half of which he will pay himself.

和純粹的花錢買票進艙不同，本次艾薩克曼是以分擔(dān)研發(fā)費用的方式與SpaceX合作，目的是在太空中測試SpaceX的太空衣。 艾薩克曼拒絕透露他承擔(dān)了多少資金，但據(jù)估算其份額約為2億美元。 此外，他此行的另一個目的是為以癌癥研究為主的圣猶他醫(yī)院做公益宣傳，他的目標(biāo)是籌款2億美元，其中一半由他本人支付。
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As early as 2021, Isaacman led the "Inspiration 4" space mission. The four crew members who went into space were all civilians, including bone cancer survivors, veterans, and amateur flying enthusiasts. In order to complete this mission, Isaacman and his friend, former Air Force fighter pilot Scott Poteet, and two SpaceX engineers trained for several months, and the launch was delayed for several weeks due to weather reasons.

早在2021年，艾薩克曼就領(lǐng)導(dǎo)過靈感4號宇航任務(wù)，升入太空的機組4人全部來自民間，包括骨癌幸存者、退伍老兵和業(yè)余飛行愛好者等。 為了完成這趟任務(wù)，艾薩克曼和自己的好友、前空軍戰(zhàn)斗機飛行員斯科特·波提特以及2名SpaceX工程師訓(xùn)練了數(shù)月之久，而發(fā)射因天氣原因被延期數(shù)周。

At 5:23 a.m. EST on September 10, the Falcon 9 rocket carrying the Dragon spacecraft was launched from the Kennedy Space Center in Florida. On the 11th, the Dragon spacecraft and the Polaris Dawn mission team entered an orbit with a perigee of about 190 kilometers and an apogee of about 1,400 kilometers. After completing six orbits at this altitude, the Dragon spacecraft switched to an orbit with a perigee of about 190 kilometers and an apogee of about 700 kilometers, and planned to conduct the first commercial spacewalk at an altitude of about 700 kilometers from the ground.

美東時間9月10日5時23分，搭載「龍」飛船的「獵鷹9」火箭從佛羅里達州肯尼迪航天中心發(fā)射升空。 11日，龍飛船攜北極星黎明任務(wù)團隊進入近地點約190公里、遠地點約1400公里的軌道。 「龍」飛船在這一高度完成6次繞地飛行后，切換至近地點約190公里、遠地點約700公里的軌道，計劃在距離地面約700公里的高度進行首次商業(yè)太空行走。

The spacewalk officially began at about 6:50 a.m. EST on September 12. Isaacman opened the hatch, climbed up the ladder to look out, and bent his elbows to test the material of his space suit. From the camera on his helmet, it can be seen that the spacecraft is over the South Pacific. Isaacman sighed, "Although there is a lot of work to do after returning home, the earth is really a perfect world at this time."

美東時間9月12日6時50分許，太空行走正式開始。 艾薩克曼打開艙門，爬上梯子向外張望，并且做出彎曲手肘等動作以測試太空衣材料。 從他頭盔上的攝像畫面可以看出，此時飛船正在南太平洋上空。 艾薩克曼感嘆到，「雖然回家以后有很多工作要做，但此時的地球真是個完美的世界」。

Isaacman returned to the space capsule ten minutes later, and SpaceX engineer Sarah Gillis took over his space suit test, which also took about ten minutes. The hatch of the spacecraft is open for only more than half an hour, while in NASA's space missions, the hatch often needs to be open for more than ten hours, and astronauts will go out of the cabin in pairs, performing tasks in groups of two.

艾薩克曼在十分鐘之后返回了太空艙，SpaceX的工程師莎拉·吉利斯接替他進行太空衣測試，時間也大約是十分鐘。 飛船的艙門開放時間只有半個多小時，而在美國宇航局的太空任務(wù)中，艙門往往需要打開十幾個小時，航天員會成對出艙，兩人一組執(zhí)行任務(wù)。

In addition, during this mission, although most of Isaacman and Gillis' bodies were outside the cabin, their feet were still inside the cabin and their hands were tightly holding the stairs, so they were not "floating in space" in the strict sense. Even so, the danger they faced was still very high, and there were phenomena such as the hatch failing to open automatically and bulging at the seal.

此外，在此次任務(wù)中，艾薩克曼和吉利斯雖然大部分身體探出了艙外，但腳仍在艙內(nèi)，而且手上緊緊抓住樓梯，因此并非嚴(yán)格意義上的「太空漂浮」。 即使如此，他們面臨的危險仍然很高，現(xiàn)場出現(xiàn)了艙門無法自動打開以及密封處凸起的現(xiàn)象。

Isaacman was born on February 11, 1983 in unx City, New Jersey. He claimed that he was "a bad student since childhood and didn't like being in the classroom." He dropped out of high school at the age of 15, and at the age of 16, he founded the successful payment company Shift4 Payments in the basement of his parents' home. The company is currently responsible for processing payments for one-third of restaurants and hotels in the United States, including well-known brands such as Hilton, Four Seasons, KFC and Arby's, and processes more than $260 billion in transactions each year.

艾薩克曼1983年2月11日出生在新澤西州聯(lián)合市，他自稱「從小就是一個糟糕的學(xué)生，不喜歡待在教室」。 他在15歲就輟學(xué)離開高中，16歲那年他在父母家里的地下室創(chuàng)辦了成功的支付企業(yè)Shift4 Payments。 目前該公司負責(zé)處理美國三分之一的餐廳和酒店的付款，其中包括希爾頓、四季酒店、肯德基和Arby's等知名品牌，每年處理的交易金額超過2600億美元。

After his success in the payment field, Isaacman also founded Draken International in 2011, which trains Air Force pilots. The company currently owns the world's largest private military aircraft fleet. In 2019, Isaacman sold a majority stake in Draken International to Wall Street's Blackstone Group, making himself a billionaire. Forbes magazine estimates that Isaacman's personal net worth is approximately US$1.9 billion.

在支付領(lǐng)域取得成功后，艾薩克曼還于2011年創(chuàng)立了培訓(xùn)空軍飛行員的Draken International，該公司目前擁有世界上最大的私人軍用飛機機隊。 2019年，艾薩克曼將Draken International的多數(shù)股權(quán)出售給了華爾街黑石集團，從而使自己躋身億萬富翁行列。 福布斯雜志估計，艾薩克曼的個人凈資產(chǎn)大約為19億美元。

Isaacman is a "thrill seeker" in life. His biggest hobby is "flying a MiG fighter at supersonic speed to get rid of the tension and boredom of working more than 80 hours a week." In 2009, he also set the fastest time record for round-the-world flight, which was broken by New Zealander Andrew in 2018.

在生活中艾薩克曼是一個「尋求刺激的人」，他最大的業(yè)余愛好就是「以超音速的速度駕駛米格戰(zhàn)斗機，以擺脫每周80多個小時不間斷工作的緊張和枯燥」。 2009年，他還創(chuàng)下了環(huán)球飛行的最快用時紀(jì)錄，該紀(jì)錄在2018年才被新西蘭人安德魯打破。

Isaacman once said: "I do believe that you only get one chance at life. You have an obligation to live it to the fullest, as long as you are able. You never know when it will be your last day."

艾薩克曼曾表示：「我確實相信生命只有一次機會。 只要你有能力，你就有義務(wù)充分享受生活。 你永遠不知道什么時候會是你的最后一天?！?/b>

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