February 14, 1990. Today is the 30th anniversary of an iconic image of Earth, seen from Saturn, taken by the Voyager 1 spacecraft. It turned out to be one of the most memorable images ever taken from space. The image came to be known as the Pale Blue Dot, and to be associated with the words of astronomer Carl Sagan who wrote in his 1994 book “Pale Blue Dot”:

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.

Read more from Deborah Byrd with EarthSky here.