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原文:
The booster has landed. Spaceflight took a step toward the less expensive last week when the first stage of a Falcon 9 rocket set down on a landing pad not far from its Florida launch. Previously, most rocket stages remained unrecovered — with the significant exception of the Space Shuttles landing on a runway and their solid rocket boosters being fished back from the sea. The landing occurred while the Falcon 9 second stage continued up to launch several communications satellites into low Earth orbit. The controlled landing, produced by SpaceX, was the first of its kind, but followed a booster landing last month by Blue Origin that did not involve launching satellites. Boeing and SpaceX were selected last year by NASA to launch future astronauts to the International Space Station. The pictured rocket booster will be analyzed for wear and reusability, but then is scheduled to be retired. Follow APOD on: Facebook, Google Plus, or Twitter
中文翻譯:
🚀 最近太空飛行踏出了重要一步，SpaceX 的 Falcon 9 火箭第一級成功在佛羅里達的著陸墊上著陸，這是一次劃時代的低成本太空發射進展！🌌
以往大多數火箭階段都無法回收，只有太空梭能在跑道上著陸，而固體火箭助推器則是從海中打撈回來。這次著陸發生在 Falcon 9 的第二級持續執行數顆通訊衛星的升空任務時。這次可控著陸是 SpaceX 的首創，但在此之前，藍色起源（Blue Origin）上個月也成功實現了一次助推器著陸，不過該次並未發射衛星。🌍
波音（Boeing）和 SpaceX 被 NASA 選中，負責未來將宇航員送往國際空間站（International Space Station）。此次的火箭助推器將被分析磨損情況及可重用性，之後計劃退役。
#SpaceX #Falcon9 #RocketLanding #ReusableRockets #NASA #BlueOrigin #SpaceExploration #InternationalSpaceStation #Innovation #SpaceFlight #FutureOfSpace
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來源:NASA每日圖片
