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PBS Space Time
What If Our Understanding of Gravity Is Wrong?
Season 7
Episode 35
What if there is no such thing as dark matter? What if our understanding of gravity is just wrong? New work is taking another shot at that Einstein guy. Let’s see if we’ve finally scored a hit with Modified Newtonian Dynamics aka MOND.
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14:28
Is our 3-D universe is just the inward projection of an infinitely distant boundary?
14:12
What if aliens are deliberately keeping quiet for fear that they might be destroyed?
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.