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BackSpaceX星艦14次試飛將挑戰首次進入地球軌道 部署26顆星鏈V3衛星
SpaceX星艦14次試飛將挑戰首次進入地球軌道 部署26顆星鏈V3衛星
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自由时报1 hour agoTech2 min readChinaView translation

SpaceX星艦14次試飛將挑戰首次進入地球軌道 部署26顆星鏈V3衛星

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SpaceX星艦14次試飛將於美東時間28日上午7時15分發射,任務預計首次進入地球軌道並部署26顆星鏈V3衛星,飛行約10小時後於太平洋結束。此次試飛將面臨二次點火入軌的技術挑戰,需加速至時速2.8萬公里。

AI-generated summary

Why It Matters

SpaceX過去13次星艦試飛均為次軌道飛行,多次以爆炸告終。此次為第14次試飛,將首次挑戰進入地球軌道並部署衛星。

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SpaceX「星艦41」(Starship 41)搭載於「超重型V3」第21號助推器,27日停在德州Starbase發射基地,準備進行第14次試飛,任務預計首度進入地球軌道並部署26顆「星鏈V3」衛星。(路透)

在歷經多次試飛與技術改良後,馬斯克(Elon Musk)旗下SpaceX巨型火箭「星艦」(Starship),預定於美東時間28日上午7時15分(台灣時間28日晚間8時15分)展開第14次試飛。這項歷時約10小時的任務,將是星艦問世3年來首度挑戰正式進入地球軌道,成為未來登月與火星任務發展的重要一步。

法新社報導,星艦預定於德州當地時間28日早上7時15分發射升空。若一切順利,上層太空船將在進入地球軌道後部署26顆次世代「星鏈」(Starlink)衛星,並繞行地球6圈,最終於太平洋結束飛行。

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自2023年展開完整構型試飛以來,SpaceX過去13次測試皆刻意採取技術難度較低、風險較低的次軌道飛行軌跡。星艦過去多次試飛曾以劇烈爆炸告終;這次試飛將首次面對正式入軌的技術挑戰,任務複雜度明顯提高。

二次點火入軌 時速飆2.8萬公里

喬治城大學安全與新興技術中心(Center for Security and Emerging Technology)資深分析師庫莉(Kathleen Curlee)指出,星艦升空後必須先進入次軌道,隨後在太空中執行第2次點火才能進入軌道,這是整場任務最艱難的一環。為了進入距離地表約275公里的圓形軌道,星艦必須加速至時速約2萬8000公里,並因應不同重力環境進行更複雜的推力控制。

報導指出,名為「超重型」(Super Heavy)的巨大第1級助推器完成推動任務後,預計脫離並落入墨西哥灣,SpaceX此次未規劃使用巨大機械手臂進行空中夾取回收。若上層太空船成功入軌,接著將嘗試部署26顆「星鏈」衛星,完成6圈繞地飛行後結束任務。

從工程角度來看,庫莉表示,只要星艦成功飛行並取得足夠測試數據,就可視為達成目標;但觀眾與投資人期待的,是更具視覺衝擊力的測試結果。

What to Watch

AI outlook — possibilities, not facts

  • 星艦將成功進入地球軌道並部署26顆星鏈V3衛星

    Possible · Within days

  • 助推器將脫離並落入墨西哥灣

    Likely · Within hours

Open Questions

  • 星艦是否能成功完成二次點火入軌?
  • 26顆星鏈V3衛星部署後是否能正常運作?
  • 助推器在墨西哥灣的回收情況如何?

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This article was originally published by 自由时报.

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