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Why the Universe Needs Dark Energy

Why the Universe Needs Dark Energy

Season 2 Episode 27
9:33
What Does Dark Energy Really Do?

What Does Dark Energy Really Do?

Season 2 Episode 28
9:50
Is an Ice Age Coming?

Is an Ice Age Coming?

Season 2 Episode 30
12:10
Life on Europa?

Life on Europa?

Season 2 Episode 44
9:33
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
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PBS Space Time

We Are Star Stuff

Season 2 Episode 24

Stars are our stellar alchemists. They spend their entire lifespan creating and molding elements. In their final moments, a supernova spreads these elements out into the universe, providing the building blocks for new stars, planets, and even us!

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Season
How We Know The Universe is Ancient
14:01
How do you learn the age of the universe when there’s no trace left of its beginnings?
Will Wormholes Allow Fast Interstellar Travel?
14:31
When do we get to wormhole ourselves out of here?
Was the Milky Way a Quasar?
13:31
Recently we discovered that its violent past was much more recent than we thought.
How We Know The Earth Is Ancient
13:38
How can we be sure about timescales so far beyond the capacity for human intuition?
What’s On The Other Side Of A Black Hole?
11:54
Normal maps are useless inside black holes.
How Black Holes Spin Space Time
12:49
If there’s one thing cooler than a black hole it’s a rotating black hole.
How Do Quantum States Manifest In The Classical World?
14:42
How do quantum states manifest in the classical world?
Does Quantum Immortality Save Schrödinger's Cat?
11:31
If the quantum multiverse is real there may be a version of you that lives forever.
How Decoherence Splits The Quantum Multiverse
15:09
Does conscious observation of a quantum system cause the wavefunction to collapse?
Does Consciousness Influence Quantum Mechanics?
13:17
There is an idea that consciousness can directly influence quantum systems.
Are Axions Dark Matter?
12:09
The axion may explain dark matter.
Are There Infinite Versions of You?
12:22
If the universe goes on forever, does that mean there are infinite versions of you?
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