TED Talks
TED Talks
Mar 5, 2014
ted.com
533K views · 2K reactions | The universe is incredibly old, astoundingly vast and populated by trillions of planets. So where are all the aliens? Watch the full TED Talk here: https://bit.ly/2R5KMJK | TED | Facebook
2:54
533K views · 2K reactions | The universe is incredibly old, astound…
533.2K views2 weeks ago
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