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Citizen Science

Citizen Science

Season 4 Episode 4
10:02
Extinction by Gamma-Ray Burst

Extinction by Gamma-Ray Burst

Season 4 Episode 7
9:48
What Do Stars Sound Like?

What Do Stars Sound Like?

Season 4 Episode 8
9:14
Horizon Radiation

Horizon Radiation

Season 4 Episode 9
12:03
The End of the Habitable Zone

The End of the Habitable Zone

Season 4 Episode 10
9:55
Kronos: Devourer Of Worlds

Kronos: Devourer Of Worlds

Season 4 Episode 11
7:42
What is Energy?

What is Energy?

Season 4 Episode 12
11:20
The Death of the Sun

The Death of the Sun

Season 4 Episode 13
9:01
The Trebuchet Challenge

The Trebuchet Challenge

Season 4 Episode 14
8:25
Should Space be Privatized?

Should Space be Privatized?

Season 4 Episode 15
9:16
Back to Show
PBS Space Time

Suicide Space Robots

Season 4 Episode 3

Let’s take a moment to remember the selfless sacrifices made by some amazing robotic explorers.

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Season
How Eclipses Revealed Our Solar System
15:07
So how did humans figure out the solar system? Eclipses!
What If Gravity is Not A Fundamental Force?
15:02
Is gravity just an emergent effect of entropy?
Does Space Emerge From A Holographic Boundary?
14:28
Is our 3-D universe is just the inward projection of an infinitely distant boundary?
Dark Forest: Should We Not Contact Aliens?
14:12
What if aliens are deliberately keeping quiet for fear that they might be destroyed?
What Happens If We Nuke Space?
15:13
So what exactly is an EMP, and how dangerous are they?
What if Singularities DO NOT Exist?
14:44
The terrible singularity at the heart of the black hole may be no more.
Did JWST Solve The Mystery of Supermassive Black Hole Origin
14:33
We may have solved the mysterious origins of supermassive black holes in our universe.
Does Antimatter Create Anti-Gravity?
16:30
Does antimatter fall down, or does it fall up?
Can The Crisis in Cosmology Be Solved With Cosmic Voids?
14:29
Could cosmic voids be driving the universe?
What If There's A Black Hole Inside The Sun?
17:53
Is there a black hole hiding in the core of the Sun eating it from the inside out?
What if Humans Are Not Earth's First Civilization?
19:19
What if we aren't the first technological civilization on Earth?
Does Many Worlds Explain Quantum Probabilities?
19:03
Many World’s lack wavefunction collapse might be the key to the measurement problem.
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