Small and lightweight laser retro-reflector arrays for lunar landers
The Apollo experiment that keeps on giving
How NASA Scrambled to Add Science Experiments to Israeli, Indian Moon Probes | Space
The Apollo 14 retro-reflector on the moon. | Download Scientific Diagram
Seeing the Light - Eos
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. :
Apollo 14 - Wikipedia
Tests of Gravity Using Lunar Laser Ranging | SpringerLink