The Mariner Plan, which was an unmanned planet exploration plan promoted by NASA in the 1960s, followed by the Mariner 2, which succeeded in swing-by on Venus and Mercury, and the Mariner 4, launched in 1964, gave mankind the first close picture of Mars.
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So, in 1965, the first photographic data sent from Mars to Earth was not an image file
Like now
very long data in three digits were drawn out one by one, and employees drew a dot by one.
And it was the first digital image to receive the data in black and white,
So Mariner 4 took a total of 22 close-to-mars pictures and sent them to Earth.£br £br £br £br £br £ And this is a picture of Mars taken by Persevereance in 2021.