Please read this slowly. Read it alone. Read it with someone. Read it not just once. Read it several times. Then read it again. These are not my words. These are the words of famed astronomer Dr. Carl Sagan.
It was 33 years ago this month (February 14, 1990, to be exact) that NASA’s space probe, Voyager 1, which had launched Sept. 5, 1977, took one last picture of Earth from 3.7-bil...
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