Photo of Earth titled "Pale Blue Dot" taken by the Voyager 1 spacecraft on February 14, 1990 from a distance of 6 billion kilometers. The Earth appears infinitesimal in size and looks like a grain of dust compared to the vastness of space that surrounds it, while the beams of light that appear are the result of the camera's optics and the light from the Sun. The photo was taken when Voyager 1 had completed its primary mission and was on its way out of the Solar System when, at Carl Sagan's request, NASA's Earth control center instructed the spacecraft to rotate its camera and capture a last picture of Earth before it moves further away.
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