25 YEARS OF THE "pale blue dot"

25 years ago, February 14th, the late Carl Sagan, an incredible astronomer, had a wonderful idea. The Voyager 1, that had left the Earth in 1977 to investigate the Universe, was turned round to take one last picture of the Earth. This is what they saw.

He then wrote,: "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. ... There is perhaps no better demonstration of the folly of human conceits than this distant image of our tiny world."