After exploring the outer solar system, Carl Sagan asked NASA to have the Voyager 1 spacecraft turn its camera around and take an image of earth. It did so, at a distance of 3.7 billion miles (6 billion kilometers) from the Sun. The February 14, 1990 image was dubbed “The Pale Blue Dot“.
That’s all you could see in the vastness of space. One tiny pixel of light. But within that one pixel, that one dot, was literally all that we know, and all that we have.
It’s profound to think about the seemingly huge earth absolutely dwarfed by the enormity of space. For us, it’s a clear wake up call, to protect what we have, to keep this tiny treasure alive and healthy.
Carl Sagan, writing about that pale blue dot.
This diagram shows where Voyager 1 was when it snapped that grainy yet iconic image.
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