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Neil deGrasse Tyson,Chuck Nice,David Spergal

Alien Sightings with David Spergel

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Are alien spacecraft here on Earth? Neil deGrasse Tyson and comedian Chuck Nice discuss the UAP hearings, unexplained cosmic phenomena, dark matter, and more with astrophysicist and NASA UAP chair David Spergel.
0:56:24
Publication year
2024
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