事件 CASE-001296
Apollo Lunar Laser Ranging Experiment
Apollo missions placed retroreflectors on the Moon, allowing precise measurement of Earth-Moon distance. The book notes that the Moon's recession rate exceeds tidal predictions, suggesting expansion.
- 事件分类
- 研究报告
- CE 等级
- 不适用
- 开始日期
- 1969
- 地点
- 月球