Here is a brief piece, with photos, of a few of the various lunar retroreflectors that have been installed on the moon. https://tmurphy.physics.ucsd.edu/apollo

Here is a brief piece, with photos, of a few of the various lunar retroreflectors that have been installed on the moon. https://tmurphy.physics.ucsd.edu/apollo/lrrr.html#:~:text=Corner%20Cube%20Prisms%20(aka.,signs%20(very%20tiny%20crystals). https://tmurphy.physics.ucsd.edu/apollo/lrrr.html#:~:text=Co...