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PBS Space Time
The Supernova At The End of Time
Season 7
Episode 2
It looks like the universe is going to end with a series of catastrophic explosions. The very, very long story short is that the universe ends in heat death, as it approaches maximum entropy, and its eternal exponential expansion drives it to effective utter emptiness and absolute cold. But new calculations have revealed we may be able to look forward to one last source of astrophysical cataclysm
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9:38
Has the last great prediction of Einstein's general relativity finally been verified?
10:54
The prospect of interstellar travel is no longer sci-fi.
13:10
Many have tried to speculate about what the fate of the universe would be.
10:44
The speed of light is often cited as the fastest anything can travel in our universe.
7:43
Lots of people believe the Universe is infinite, but are they wrong?
9:09
We all know tides have something to do with gravity from the Moon and Sun.
