plotkin

In 1926, a 10-ft rocket flew 41 ft; 35 years later, NASA honored its creator in space |

[ad_1] Goddard physicist Henry Plotkin inspects the retroreflector array destined for the 1964 Beacon Explorer A satellite, PC: Henry Plotkin/ Nasa On October 29, 1964, a team at NASA‘s Goddard Space Flight Centre in Greenbelt, Maryland, recorded the first successful laser returns from an artificial satellite. The target was Beacon Explorer B, also known as…

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