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Health & Science2h 49m ago
Laser pulses fired from Earth are being returned by corner-cube reflectors left on the Moon, confirming the Moon is receding from Earth at a rate of 3.8 centimeters per year.
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Moon
Who
Buzz Aldrin, Alan Shepard, David Scott
What
Laser pulses fired from Earth are being returned by corner-cube reflectors left on the Moon, confirming the Moon is receding from Earth at a rate of 3.8 centimeters per year.
When
Wed, 15 Jul 2026 11:45:14 GMT · 2h 49m ago
Where
Moon ·
Why
The corner-cube reflectors left by Apollo astronauts are still functional, allowing for precise measurements of the Moon's distance from Earth over 57 years.
The Frontline Impact
How this affects you
Precise measurements confirm the long-term recession of the Moon from Earth, providing ongoing data for lunar and Earth-Moon system studies.
Story chain
2 events in this thread- Health & Science2h 49m agoLaser pulses fired from Earth are being returned by corner-cube reflectors left on the Moon, enabling measurements that show the Moon is receding from Earth at a rate of 3.8 centimeters per year.Open article
- Currently Reading2h 49m agoLaser pulses fired from Earth are being returned by corner-cube reflectors left on the Moon, confirming the Moon is receding from Earth at a rate of 3.8 centimeters per year.