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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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10:52
A black hole can never catch up to you, but the Unruh radiation it generates sure can.
9:15
The Andromeda galaxy will inevitably collide with our own Milky Way. Will that be the end?
9:03
What do the first stars, dark matter, and superior siege engines have in common?
9:16
Will the future of space exploration be guided by public or private entities?
11:20
Energy is the most powerful and useful concept in all of physics, but what exactly is it?
7:42
What happens when a star eats its planets? Find out on today’s Space Time Journal Club.
9:55
The Sun is getting brighter and the habitable planets in our solar system are changing.
12:03
What is Horizon radiation? How does it apply to the Unruh Effect and Hawking Radiation?
9:14
We can now map the interiors of stars by “listening” to their seismic wave harmonies.