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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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11:10
Learn about the standard model of particle physics, the most accurate physical theory yet.
10:36
One paper reports on a new particle outside the standard model: the sterile neutrino.
10:38
Forget oil. There’s another natural resource that’s never been touched, Asteroids.
11:37
Nothing can escape from below the event horizon- not matter, light, or even information.
11:03
Nothing can escape from below the event horizon- not matter, light, or even information.
10:06
Is the entire history of the universe perfectly knowable? Or has information been lost?
9:38
Flawed conservation laws are consequences of a much deeper principle: Noether’s theorem.
8:47
New Gaia mission data has dramatically changed how we understand our own galaxy.
8:33
We can now see that the Milky Way is swarming with tens of thousands of black holes.
8:36
We’re going to need a gravitational wave observatory - in fact, we've already built one.
10:44
How did our chaotic universe generate the extreme complexity we see in life?