Wednesday, 30 September 2020

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. via NASA https://ift.tt/3ifdBj5

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NASA's CHAPEA Crew "Returns" to Earth

The four-member Crew Health and Performance Exploration Analog (CHAPEA) crew poses outside for the first time in more than a year following ...