When Apollo 11 landed on the Moon, the crew brought devices with them called retroreflectors, which are essentially small arrays of mirrors.
from NASA https://ift.tt/3ifdBj5
Retroreflectors: From Apollo to Mars
When Apollo 11 landed on the Moon, the crew brought devices with them called retroreflectors, which are essentially small arrays of mirrors.
from NASA https://ift.tt/3ifdBj5
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