![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 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](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs40623-020-01243-w/MediaObjects/40623_2020_1243_Figa_HTML.jpg)
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
![apollo program - What are these structures on the Lunar Ranging Retro Reflector (LRRR) arrays for? - Space Exploration Stack Exchange apollo program - What are these structures on the Lunar Ranging Retro Reflector (LRRR) arrays for? - Space Exploration Stack Exchange](https://i.stack.imgur.com/Ne7Ak.jpg)
apollo program - What are these structures on the Lunar Ranging Retro Reflector (LRRR) arrays for? - Space Exploration Stack Exchange
![a) The LLR retroreflector being carried across the lunar surface by... | Download Scientific Diagram a) The LLR retroreflector being carried across the lunar surface by... | Download Scientific Diagram](https://www.researchgate.net/publication/1967259/figure/fig1/AS:279510927855619@1443652006214/a-The-LLR-retroreflector-being-carried-across-the-lunar-surface-by-Buzz-Aldrin-an.png)