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How Many Universes Are There?

How Many Universes Are There?

Season 5 Episode 34
14:03
Black Hole Harmonics

Black Hole Harmonics

Season 5 Episode 35
13:11
Loop Quantum Gravity Explained

Loop Quantum Gravity Explained

Season 5 Episode 36
13:49
Is Time Travel Impossible?

Is Time Travel Impossible?

Season 5 Episode 37
12:33
Why We Might Be Alone in the Universe

Why We Might Be Alone in the Universe

Season 5 Episode 38
12:24
Does Life Need a Multiverse to Exist?

Does Life Need a Multiverse to Exist?

Season 5 Episode 39
13:09
Can You Observe a Typical Universe?

Can You Observe a Typical Universe?

Season 5 Episode 40
13:36
Is The Universe Finite?

Is The Universe Finite?

Season 5 Episode 41
12:25
The Doomsday Argument

The Doomsday Argument

Season 5 Episode 42
12:50
Do Black Holes Create New Universes?

Do Black Holes Create New Universes?

Season 5 Episode 43
12:24
How To Detect a Neutrino

How To Detect a Neutrino

Season 5 Episode 44
9:54
How To Capture Black Holes

How To Capture Black Holes

Season 5 Episode 45
12:02
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PBS Space Time

Is Pluto a Planet?

Season 5 Episode 33

You know what a planet is, right? A big round thing that orbits a star. Uh, not so fast. The surprisingly vicious debate over the planetary status of Pluto has given us a fascinating glimpse into what a scientific definition really is. And perhaps the word planet is too vague to be used as a scientific definition at all.
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Interstellar Expansion WITHOUT Faster Than Light Travel
20:15
Season 10 Episode 9
Interstellar Expansion WITHOUT Faster Than Light Travel
To travel the stars without faster than light travel we’re going to need a generation ship.
What Happens If You Jump Into A Black Hole?
16:19
Season 10 Episode 8
What Happens If You Jump Into A Black Hole?
Today we are jumping into a black hole. Again.
Why Is The World Rushing Back To The Moon?
15:36
Season 10 Episode 7
Why Is The World Rushing Back To The Moon?
The Moon: humanity’s first destination beyond our atmosphere.
How Eclipses Revealed Our Solar System
15:07
Season 10 Episode 6
How Eclipses Revealed Our Solar System
So how did humans figure out the solar system? Eclipses!
What If Gravity is Not A Fundamental Force?
15:02
Season 10 Episode 5
What If Gravity is Not A Fundamental Force?
Is gravity just an emergent effect of entropy?
Does Space Emerge From A Holographic Boundary?
14:28
Season 10 Episode 4
Does Space Emerge From A Holographic Boundary?
Is our 3-D universe is just the inward projection of an infinitely distant boundary?
Dark Forest: Should We Not Contact Aliens?
14:12
Season 10 Episode 3
Dark Forest: Should We Not Contact Aliens?
What if aliens are deliberately keeping quiet for fear that they might be destroyed?
What Happens If We Nuke Space?
15:13
Season 10 Episode 2
What Happens If We Nuke Space?
So what exactly is an EMP, and how dangerous are they?
What if Singularities DO NOT Exist?
14:44
Season 10 Episode 1
What if Singularities DO NOT Exist?
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
Season 9 Episode 36
Did JWST Solve The Mystery of Supermassive Black Hole Origin
We may have solved the mysterious origins of supermassive black holes in our universe.
Does Antimatter Create Anti-Gravity?
16:30
Season 9 Episode 35
Does Antimatter Create Anti-Gravity?
Does antimatter fall down, or does it fall up?
Can The Crisis in Cosmology Be Solved With Cosmic Voids?
14:29
Season 9 Episode 34
Can The Crisis in Cosmology Be Solved With Cosmic Voids?
Could cosmic voids be driving the universe?
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