How is the universe going to end?

Tai Asks Why

CBC

Kids & Family

4.2 • 1.3K Ratings

🗓️ 10 March 2021

⏱️ 23 minutes

🔗️ Recording | iTunes | RSS

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Summary

Not to be a downer, but the universe could end any minute. Or it could take a hundred million years. Give or take. So we don't know *when* it will happen, but we can be a bit more certain about *how* the universe will end. In this episode, Tai unpacks the science of the end times. In this episode Tai talks to: - Katie Mack, theoretical astrophysicist and the author of The End of Everything (Astrophysically Speaking), - Christopher Kochanek, professor of astronomy at the Ohio State University. His current research focuses on "massive stars behaving badly." For transcripts of this series, please visit: https://www.cbc.ca/radio/podcastnews/tai-asks-why-transcripts-listen-1.6747759

Transcript

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0:00.0	So, the other day I was sitting on my couch eating some chips and thinking about the big
0:14.4	bang, you know, casual stuff for a weekend.
0:21.2	But like, the universe started as this super hot, super dense, super tiny point in space
0:28.1	in time.
0:29.1	And then 13.8 billion years ago, it started to expand super fast, eventually forming
0:41.2	things like stars and galaxies and eventually us.
0:49.0	The big bang.
0:51.6	Well, a very smart person recently told me that the big bang actually worked more like
1:00.2	a big balloon.
1:02.0	It was less of an explosion and more like a big long inflation.
1:11.8	And that cosmic balloon has been inflating and expanding for 13.8 billion years.
1:20.2	And this is what I was wondering as I was jumping over chips.
1:24.5	A balloon can only hold so much.
1:28.0	What happens when it's filled up to its limit?
1:30.5	Is it all just going to go, and blow away, but by Milky Way, peace out Pluto.
1:42.7	Because if the universe had a beginning, then it has to have an ending, right?
1:48.4	But how would that happen?
1:51.4	And when?
1:52.4	I mean, will humans be around to see it?
1:56.5	How is the universe going to end?
2:03.7	Ties, I asked why.
2:12.6	I'm Ties, and this is my podcast.
	...

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