Back to Show
PBS Space Time
Do We Need a New Dark Matter Model?
Season 9
Episode 21
We have no idea what dark matter is, other than it’s some source of gravity that is completely invisible but exerts way more pull that all of the regular matter. Dark matter constitutes 80% or so of the mass in the universe, which means we should really try to figure out what it actually is.
Support Provided By
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.
18:00
What if we could produce superconductivity at room temperature? It would change the world.
20:39
We may need to build a radio telescope in the quietest place nearby - the moon!
14:59
Spacetime on its smallest scale is an ocean of black holes and wormholes...or so we think.
15:51
The gravitational wave background has probably been detected using a pulsar timing array.
15:05
Let’s explore how constant this speed of light fundamental constant really is.
14:39
Dark matter may be a quantum mechanical wave that literally holds galaxies together.
16:24
Has AI proven that the proton is made of 5 quarks rather than 3 quarks?
15:16
How close is too close for supernova explosions?
12:14
Could we turn our solar system into a spaceship and drive the Sun around the galaxy?