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中文标题
LAGEOS：一项旨在实现长期高精度的地球科学任务
English Title
LAGEOS: An Earth Science Mission Built for Enduring Precision
Michele Ostovar
发布时间
2026/5/4 21:15:00
来源类型
blog
语言
en
摘要
中文对照
1976年5月4日，一颗形似迪斯科球的航天器进入距地球表面约3700英里（6000公里）的轨道。这颗闪亮的直径两英尺（60厘米）球体被称为激光地球动力学卫星（Laser Geodynamics Satellite，LAGEOS），其表面覆盖有426个后向反射器——即小型镜面棱镜，可将入射激光原路反射回发射源。在其铝制外壳之下……
English Original
On May 4, 1976, a spacecraft resembling a disco ball entered orbit almost 3,700 miles (6,000 kilometers) above Earth. This shiny, two‑foot‑wide (60‑centimeter) sphere called the Laser Geodynamics Satellite, or LAGEOS, is covered with 426 retroreflectors—small mirrored prisms designed to bounce laser light directly back to where it came from. Beneath its aluminum exterior sits […]
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元数据
来源NASA News
类型资讯
抽取状态raw
关键词
LAGEOS (LAser GEOdynamics Satellite)
NASA History
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