Glossary term: 人造卫星
Description: 人造卫星是一种人造装置，它被送入太空，绕地球或其他太阳系天体运行，并在引力作用下保持在轨道上。人造卫星可以执行各种任务，包括航拍地球照片，帮助气象学家预测天气，或拍摄天体和遥远星系的照片，帮助科学家更好地了解宇宙系统。人造卫星还主要用于全球通信和定位，如全球定位系统（GPS）。第一颗人造卫星于 1957 年由苏联发射升空，被称为“斯普特尼克”1号。
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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
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