NASA's New Horizons spacecraft has traveled so far from Earth that the relative position of the stars is beginning to shift — a fact that could help future spacecraft navigate the galaxy on their own.
In the iconic opening sequence of the 1960s TV show "Star Trek," the viewer has this feeling of drifting through space, plunging through a field of stars. (SOUNDBITE OF TV SHOW, "STAR TREK") WILLIAM ...
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