As the moon snuck in front of the sun during Monday’s total solar eclipse, a NASA photographer captured a once-in-a-lifetime sight.
Such high-speed recording is necessary because the ISS is roughly the size of a football field, orbits Earth from 250 miles up, and moves at a speed of 17,500 miles per hour.
To capture such a fast-moving object from the right angle not only requires months or years of planning, but also a lot of luck.
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