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John Glenn looked back at Florida during his flight in 1962.
The first picture from the "vicinity of the moon" was taken by Lunar Orbiter I.
The most distant look at Earth is this image taken by Voyager 1 at a distance of nearly 4 billion miles. This image has been called the "Pale Blue Dot" after the title of astronomer Carl Sagan's 1994 book, "Pale Blue Dot: A Vision of the Human Future in Space."
In the image, Earth is located in a light ray that was the result of taking the picture so close to the sun.
"Look again at that dot. That's here. That's home. That's us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggregate of our joy and suffering, thousands of confident religions, ideologies, and economic doctrines, every hunter and forager, every hero and coward, every creator and destroyer of civilization, every king and peasant, every young couple in love, every mother and father, hopeful child, inventor and explorer, every teacher of morals, every corrupt politician, every 'superstar,' every 'supreme leader,' every saint and sinner in the history of our species lived there -- on a mote of dust suspended in a sunbeam." -Carl Sagan, "Pale Blue Dot."