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How to get an initial setting of the range gate for a Lunar Laser Ranging using a new Retro Reflector for the first time?

From an answer to this question They were searching by aiming their laser at the moon and looking for reflections. But the system is set to only detect photons in a very narrow range of ...
Uwe's user avatar
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8 votes
1 answer
2k views

What are these structures on the Lunar Ranging Retro Reflector (LRRR) arrays for?

In Local expansion measured, near zero via Lunar Ranging - what about deep space probes? I used images of the retro-reflector arrays that were left on the moon by Apollo 11, 14, and 15. The Lunar ...
uhoh's user avatar
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10 votes
1 answer
2k views

Doing an experiment to point a laser to the moon and back

After reading this question: I got an itch to to test out the mirrors myself (and maybe record whole process to irritate conspiracy nuts). What equipment would I need? I assume a high powered laser ...
Matas Vaitkevicius's user avatar