Neil deGrasse Tyson, comic co-host Chuck Nice, and theoretical physicist and author Brian Greene answer questions from our fans about string theory, the fabric of spacetime, interstellar travel, free will, and the meaning of life.

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Thanks to our Patrons Jamie Boneleye, Evan Blackburn, Matthew Pounsett, Chris Behrensmeyer, and Brett Armstrong for supporting us this week.

Image Credit: ESO/IDA/Danish 1.5 m/R.Gendler and J.-E. Ovaldsen.

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Cosmic Queries: Until the End of Time, with Brian Greene