https://www.youtube.com/watch?v=DXtWrDjDIGI

From May 22, 2018.

The observable Universe is finite, which means there are limits to what we can see, now and deep into the future. Dr. Paul Sutter joins Fraser to talk about the various cosmological horizons that surround us.

Paul’s YouTube channel: https://www.youtube.com/channel/UCBr7XOxxQyBHEwqkhoci7vw

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