Glossary term: 太空碎片
Description: 太空碎片或太空垃圾是指圍繞地球運行但已無任何實用功能的人造物體或其殘骸。這些包括退役或故障的衛星、衛星碰撞後產生的碎片，以及用於發射航天器或衛星的火箭上部級，在完成任務後被棄置的部分。隨著太空垃圾的數量增加，發生碰撞的風險也隨之增大，對航天器構成了嚴重威脅。因此，航天機構正在討論並測試清理太空垃圾的方法，同時努力在規劃任務時考慮將完成使命的物體引導重新進入地球大氣層並燃燒殆盡。
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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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