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3 Responses

  1. Gustavo Woltmann
    Gustavo Woltmann at |

    Pretty interesting! Neil deGrasse Tyson is great at explaining complex concepts in understandable ways.

    Reply
  2. Sophia Arcuri
    Sophia Arcuri at |

    Wow I am astonished

    Reply
  3. Maggie Shearin
    Maggie Shearin at |

    Amazing!

    Reply

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