Something massive, with roughly 1,000 times the area of Earth, is blocking the light coming from a distant star known as KIC 8462852, and nobody is quite sure what it is. As astronomer Tabetha Boyajian investigated this perplexing celestial object, a colleague suggested something unusual: Could it be an alien-built megastructure Such an extraordinary idea would require extraordinary evidence. In this talk, Boyajian gives us a look at how scientists search for and test hypotheses when faced with the unknown.

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  • Episode Number 69
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  • Originally Aired Thursday, April 7, 2016
  • Production Code su3Um-PeJds
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  • Last Updated By bruechs
  • Last Updated 07/02/2016 4:29pm