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The Great LonDini
The Great LonDini

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This Day in Tech History.


First Mars Fly-By

July 14, 1965

NASA’s Mariner 4 becomes the first spacecraft to perform a successful fly-by of Mars and the first to send back photographs of another planet from deep space. The photographs are the first showing details of Mars’ surface including extensive cratering (https://thisdayintechhistory.com/).


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