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  • The Most Astounding Fact - Neil deGrasse Tyson - Duration: 3 minutes, 34 seconds.

    • 5 years ago
    • 11,040,995 views
    Same video on Vimeo! http://vimeo.com/38101676

    Astrophysicist Dr. Neil DeGrasse Tyson was asked by a reader of TIME magazine, "What is the most astounding fact you can share with us about the Univ...
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