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In tribute to the International Day of Human Space Flight, we created this visualization with some milestones of humanity exploring outer space and the distance traveled from planet Earth

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Spotting cows from space

Today marks two major spaceflight anniversaries: On April 12, 1961, Yuri Gagarin became the first human to venture to space. And on April 12, 1981, NASA launched its first space shuttle mission, STS-1.

NASA's Mars helicopter gets ready to make history. After a technical hiccup, engineers are hoping the Ingenuity spacecraft will soon become the first vehicle to take flight on another world.

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