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Are We Alone? Galactic Civilization Challenge

Are We Alone? Galactic Civilization Challenge

Season 2 Episode 45
6:19
The Many Worlds of the Quantum Multiverse

The Many Worlds of the Quantum Multiverse

Season 2 Episode 48
11:10
What Happens At The Edge Of The Universe?

What Happens At The Edge Of The Universe?

Season 2 Episode 2
7:43
The First Humans On Mars

The First Humans On Mars

Season 2 Episode 47
6:18
What if Singularities DO NOT Exist?

What if Singularities DO NOT Exist?

Season 10 Episode 1
14:44
What Happens If We Nuke Space?

What Happens If We Nuke Space?

Season 10 Episode 2
15:13
Dark Forest: Should We Not Contact Aliens?

Dark Forest: Should We Not Contact Aliens?

Season 10 Episode 3
14:12
Does Space Emerge From A Holographic Boundary?

Does Space Emerge From A Holographic Boundary?

Season 10 Episode 4
14:28
What If Gravity is Not A Fundamental Force?

What If Gravity is Not A Fundamental Force?

Season 10 Episode 5
15:02
How Eclipses Revealed Our Solar System

How Eclipses Revealed Our Solar System

Season 10 Episode 6
15:07
Why Is The World Rushing Back To The Moon?

Why Is The World Rushing Back To The Moon?

Season 10 Episode 7
15:36
What Happens If You Jump Into A Black Hole?

What Happens If You Jump Into A Black Hole?

Season 10 Episode 8
16:19
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PBS Space Time

Why is the Earth Round and the Milky Way Flat?

Season 2 Episode 20

Our universe is not a very diverse place when it comes to shapes. Large celestial bodies become spheres, galaxies become discs, and there is little room for variation. Why is this? Well it turns out physics has some pretty strict rules when it comes to creating new planetary bodies.
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