Join Neil deGrasse Tyson and comic co-host Sarah Rose Siskind as they answer fan-submitted Cosmic Queries about our collision course with the Andromeda galaxy, how the Big Bang got its name, the Cosmic Microwave Background radiation, dark matter, and much more.
NOTE: StarTalk All-Access subscribers can watch or listen to this entire episode commercial-free here: https://www.startalkradio.net/all-access/cosmic-queries-our-galaxy-and-beyond/
Photo Credit: NASA.

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