Apollo astronauts set up mirror arrays, or “retroreflectors,” on the Moon to accurately reflect laser light beamed at them from Earth with minimal scattering or diffusion. Retroreflectors are mirrors that reflect the incoming light back in the same incoming direction. Calculating the time required for the beams to bounce back allowed scientists to precisely measure […]
January 02, 2025
from NASA https://ift.tt/Ee5K3xh
January 02, 2025
from NASA https://ift.tt/Ee5K3xh
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NASA