Description: 航天器是為在外太空旅行而建造的飛行器。通常是通過某種火箭發動機推進，向一個方向噴射氣體或等離子體，以向反方向加速。不載人的航天器稱為非載人航天器或機器人航天器，例如用於探索的各種衛星、太空望遠鏡或太空探測器。另一方面，載人航天器需要為其乘員提供生存條件，例如大氣增壓、輻射防護和溫度調節。可以返回地球的航天器稱為可回收航天器；回收後可以再次發射的航天器稱為可重複使用航天器。旨在提供長期基地（如在地球軌道上）的航天器稱為空間站。

Related Terms:

• 火箭
• 人造衛星
• 空間站
• Space Telescope

Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

This is an automated transliteration of the simplified Chinese translation of this term

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