As I gazed up at the night sky, I could actually track satellites with my naked ... with light pollution from large cities. The International Space Station (ISS) on the other hand is a large ...
But therein lies Pettit's genius. He's brought with him to space a homemade star tracker, a device that rotates a camera to compensate for the ISS's movement. It's a variation on a tool used by ...
Under normal circumstances, long-exposure photographs such as this should show the stars as streaks across the sky, since the ISS is moving at about 17,500 miles per hour (28,000 km per hour). But ...
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