SpaceX cargo ship returning to Earth from space station

SpaceX 貨運太空船正從太空站返回地球

更新於: 2026年6月16日 上午09:45

SpaceX's Cargo Dragon spacecraft plays a vital role in maintaining operations at the International Space Station (ISS).

SpaceX的貨運龍飛船(Dragon)在維持國際太空站(ISS)運作方面扮演著至關重要的角色。

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nounInternational Space Station

Unlike other resupply vehicles that burn up upon re-entry, the Dragon is the only U.S. cargo ship capable of returning heavy equipment and scientific experiments back to Earth.

不同於其他在重返大氣層時會燃燒殆盡的補給載具,龍飛船是唯一能夠將重型設備與科學實驗品帶回地球的美國貨運太空船。

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This capability is crucial for researchers who need to conduct detailed laboratory analyses on samples, such as bioprinted tissues and stem cells, that were processed in microgravity.

這項能力對於需要對在微重力環境下處理過的樣本進行詳細實驗室分析的研究人員來說至關重要。

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After undocking from the ISS, the capsule performs a deorbit burn to re-enter Earth's atmosphere, protected by a specialized heat shield.

在與國際太空站脫離後,太空艙會執行脫軌燃燒以重返地球大氣層,並由專門的隔熱罩保護。

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It then deploys parachutes to ensure a safe splashdown in the ocean.

隨後,它會部署降落傘以確保在海洋中安全濺落。

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Once recovered by SpaceX teams, time-sensitive biological samples are quickly delivered to scientists, often within 48 hours.

一旦被SpaceX團隊回收,對時間敏感的生物樣本會迅速交付給科學家,通常在48小時內送達。

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Through NASA's Commercial Resupply Services, these missions occur regularly, supporting sustainable space travel by reusing both Falcon 9 boosters and the Dragon capsules themselves.

透過NASA的商業補給服務,這些任務定期進行,藉由重複使用獵鷹9號(Falcon 9)推進器與龍飛船本身,支持永續的太空旅行。

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Why is the SpaceX Dragon unique among U.S. cargo spacecraft?

正確答案

It is the only U.S. cargo ship capable of returning significant amounts of equipment to Earth.

What happens to most other cargo resupply vehicles at the end of their mission?

正確答案

They burn up in the atmosphere.

What is the primary reason for returning biological samples to Earth?

正確答案

To conduct in-depth laboratory analyses that cannot be done in microgravity.

How long does it often take to deliver time-sensitive samples to researchers after splashdown?

正確答案

Within 48 hours.

What is an additional task the Dragon has recently demonstrated beyond resupply?

正確答案

Performing ISS reboosts to maintain orbital altitude.

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