Above is a famous photograph taken of the Earth by Voyager 1 in 1990 from 4 billion miles away (about 6 light-hours). The late astronomer Carl Sagan called this view of Earth the “Pale Blue Dot”, and had this to say about the image:

“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.”

When we look at this image, you realize how utterly small and insignificant Earth really is…

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