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Updated: Jul 12, 2026
10:35
Bringing the Visible Universe into Focus with Robo-AO
Published on: February 12, 2013
概括
1969年的月球激光测距实验成功地使用阿波罗11号反射器测量了光的往返旅行时间. 这些初始测量结果的不确定性为+/- 15纳秒.
科学领域:
- 月球激光射程测距
- 天文学和天体物理学.
- 地质测量是指地质测量.
背景情况:
- 阿波罗11号任务在月球上部署了一个激光射程反射器 (LRRR).
- 准确测量地球月球距离对于各种科学应用至关重要.
研究的目的:
- 为了获得地球和月球LRRR之间的光的往返旅行时间的初步测量.
- 在不同的环境条件下评估LRRR的性能.
主要方法:
- 利用麦克唐纳天文台的脉冲红宝石激光和精确计时系统.
- 在1969年8月和9月的特定日期进行测量.
主要成果:
- 成功获得了光线往返旅行时间的采集测量.
- 这些初始测量的不确定性被确定为+/- 15纳秒.
- 在各种太阳照明角度和月球夜间条件下,LRRR表现出成功的性能.
结论:
- 最初的月球激光测距测量证实了实验的可行性.
- 反射器的性能验证了热设计预测.
- 预计未来的测量将实现更高的精度.
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