TIL that when we landed on the moon we placed reflectors that can reflect any laser pointed at it back to the earth, which smashes the conspiracy that we never went. :
Apollo14Reflectors.jpg
Lunar Laser Ranging experiment - Wikipedia
First two-way laser ranging to a lunar orbiter: infrared observations from the Grasse station to LRO's retro-reflector array | Earth, Planets and Space | Full Text
ILRS | Missions | Satellite Missions | Current Missions | ap11 reflector
arXiv:1309.6274v2 [astro-ph.EP] 7 Dec 2013
The Apollo experiment that keeps on giving
To the Moon and Back … in 2.5 Seconds | NIST
APOLLO: the next big thing in LLR - ppt download
Why Is the Apollo Reflector Experiment Still Operating, 50 Years Later? | Space
Apollo 14 command module hi-res stock photography and images - Alamy
How Do You Solve a Moon Mystery? Fire a Laser at It - The New York Times
a) The LLR retroreflector being carried across the lunar surface by... | Download Scientific Diagram
Lick Observatory commemorates Apollo 11 experiment on 50th anniversary
Physics - Physics from the Moon
The Apollo 15 Lunar Laser Ranging RetroReflector | NASA
a) Lunar laser telescope at McDonald Observatory. (b) Apollo 14... | Download Scientific Diagram
ILRS | Science | Science Contributions | lunar
Apollo special: Mirrors on the moon | New Scientist
The Apollo 14 retro-reflector on the moon. | Download Scientific Diagram
Apollo astronauts left trash, mementos and experiments on the moon
The Apollo 15 Lunar Laser Ranging Retroreflector - A Fundamental Point on the Moon! | Lunar Reconnaissance Orbiter Camera
Small and lightweight laser retro-reflector arrays for lunar landers
Overview of the chief components of the APOLLO system, showing the... | Download Scientific Diagram
