Description: 來自太空的電磁輻射必須先穿過地球大氣層，才能被地面望遠鏡收集到。而伽馬射線、X 射線、紫外線和某些波段的紅外線輻射會被大氣層完全過濾掉。為了觀測它們，天文學家使用太空望遠鏡，有時也稱作太空觀測站：這些自動運行的衛星位於大氣層之上，攜帶望遠鏡和儀器，將航天器定向到特定目標、接收指令並將數據傳回地球。正如星星的閃爍現象所顯示的那樣，穿過大氣層的光線會在這一過程中受到乾擾。而在這方面，太空望遠鏡也能提供幫助。然而，太空望遠鏡很難維修。大多數太空望遠鏡要麼在地球軌道上（如哈勃太空望遠鏡），要麼在所謂的拉格朗日點 L2 上（如詹姆斯-韋伯太空望遠鏡）。

Related Terms:

• 紅外線（IR）
• 天文臺
• 人造衛星
• 紫外線（UV）
• X射線

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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