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PBS Space Time
The Crisis in Cosmology
Season 5
Episode 9
The search for a single number: the hubble constant, which is the rate of expansion of our universe, has consumed astronomers for generations. Finally, two powerful and independent methods have refined its measurement to unprecedented precision. The only problem is that they don’t agree. This calls into question some of our most basic assumptions about the universe.
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14:44
The terrible singularity at the heart of the black hole may be no more.
14:33
We may have solved the mysterious origins of supermassive black holes in our universe.
14:29
Could cosmic voids be driving the universe?
17:53
Is there a black hole hiding in the core of the Sun eating it from the inside out?
19:19
What if we aren't the first technological civilization on Earth?
19:03
Many World’s lack wavefunction collapse might be the key to the measurement problem.
18:32
The holy grail of physics is a quantum theory of gravity. What if it’s not possible?
18:32
Alien life will most likely be discovered by faint changes in the color of alien sunsets.
12:05
The 2023 Physics Nobel prize has been awarded to three physicists for attosecond physics.
15:59
With the James Webb Space Telescope we’ve now seen the earliest star ever detected.
17:24
Some are arguing that Many Worlds and Pilot Wave are really the same.