Do we really know the age of the universe? On this episode, Neil deGrasse Tyson and comic co-host Paul Mecurio answer astrophysics questions about the big bang, gravitational waves, and the speed of light with astrophysicist Hakeem Oluseyi.
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Image Credit: NASA/CXC/Univ. of Potsdam/L. Oskinova et al.
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