Science
How Do You Solve a Moon Mystery? Fire a Laser at It – The New York Times
Researchers have used reflective prisms left on the moon’s surface for decades, but had increasingly seen problems with their effectiveness.
The Lunar Reconnaissance Orbiter provides a pristine target, said Erwan Mazarico, a planetary scientist at NASA Goddard Space Flight Center who, along with his colleagues, tested the hypothesis that lunar dust might be affecting the moons retroreflectors.
But its also a moving target. The orbiter skims over the moons surface at 3,600 m.p.h. Its hard enough to hit a stationary target, said Dr. Murphy, who leads the Apache Point Observatory Lunar Laser-ranging Operation, or APOLLO, a project that…
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