From StarTalk.

Did the Big Bang explode like a bomb, or is that just a misconception? Neil deGrasse Tyson, co-host Paul Mecurio, and astrophysicist Charles Liu dive into one of the biggest questions in cosmology: what actually happened at the start of the universe?

We explore the origins of the term “Big Bang” and how Fred Hoyle unintentionally coined one of the most famous phrases in science. What did the universe expand from, and how does cosmic inflation fit into the picture? Plus, we tackle the mind-bending question—what did the Big Bang expand into?

From ‘ From ‘Answering Questions About Why the Big Bang Happened, The Shape of the Universe & More’: https://www.youtube.com/watch?v=QEoL0PNaIK4

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