Glossary term: 人造衛星
Description: 人造衛星是一種人造裝置，它被送入太空，繞地球或其他太陽系天體運行，並在引力作用下保持在軌道上。人造衛星可以執行各種任務，包括航拍地球照片，幫助氣象學家預測天氣，或拍攝天體和遙遠星系的照片，幫助科學家更好地了解宇宙系統。人造衛星還主要用於全球通信和定位，如全球定位系統（GPS）。第一顆人造衛星於 1957 年由蘇聯發射升空，被稱為“斯普特尼克”1號。
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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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衛星群與夜空之美，作者 Torsten Hansen，德國
Credit: Torsten Hansen/IAU OAE
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