RT @Dr_ThomasZ: On #ValentinesDay 1990, @NASAVoyager 1 took this pic of Earth. In the words of Carl Sagan, “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.” https://t.co/2V30peycUL https://t.co/d6dztf7BOU




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