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The NASA space probe Voyager 1 took Pale Blue Dot (detail pictured), a photograph of Earth from a record distance of 40.5 astronomical units (6.06 billion km; 3.76 billion mi).
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NASA
American space and aeronautics agency
The National Aeronautics and Space Administration is an independent agency of the US federal government responsible for the United States's civil space program, aeronautics research and space research. Established in 1958, it succeeded the National Advisory Committee for…Source: Wikipedia (CC BY-SA)
Voyager 1
NASA space probe launched in 1977
Voyager 1 is a space probe launched by NASA on September 5, 1977, as part of the Voyager program to study the outer Solar System and the interstellar space beyond the Sun's heliosphere. It was launched 16 days after its twin, Voyager 2. It communicates through the NASA Deep…Source: Wikipedia (CC BY-SA)
Pale Blue Dot
Photograph of Earth by Voyager 1
Pale Blue Dot is a photograph of Earth taken on February 14, 1990, by the Voyager 1 space probe from an unprecedented distance of over 6 billion kilometers, as part of that day's Family Portrait series of images of the Solar System.Source: Wikipedia (CC BY-SA)
Astronomical unit
Mean distance between Earth and the Sun
The astronomical unit is a unit of length defined to be exactly equal to 149597870700 m. Historically, the astronomical unit was conceived as the average Earth-Sun distance, before its modern redefinition in 2012.Source: Wikipedia (CC BY-SA)