Cosmic Queries: Until the End of Time, with Brian Greene (Re-Release)
StarTalk Radio
The Future of Thought
In a universe where the spatial expansion is accelerating, that cosmological horizon would actually have a temperature. From that spot, we would have heat emerging that would give a background temperature of about 10 to minus 30 Kelvin. And if it's a case that that cogitating being can't release its heat, it will burn up. So one of the things I describe in the book is that in the far future, any kind of- That's where the book ends and thought ends.
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