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PBS Space Time

Interstellar Expansion WITHOUT Faster Than Light Travel

Season 10 Episode 9 | 20m 15s

In the far future we may have advanced propulsion technologies, but what if those technologies never materialize? Are we imprisoned by the vastness of space—doomed to remain in the solar system of our origin? Perhaps not. A possible path to a contemporary cosmic dream may just be to build a ship which can support human life for several generations; a so-called generation ship.

Aired: 05/15/24
Extras
Watch • 16:28
PBS Space Time
How To Detect Faster Than Light Travel
Faster than light travel may produce gravitational waves that we could see here on Earth.
Episode: S10 E15 | 16:28
Watch • 20:07
PBS Space Time
Can a Particle Be Neither Matter Nor Force?
All particles belong to two large groups: fermions and bosons.
Episode: S10 E14 | 20:07
Watch • 16:11
PBS Space Time
Will The Sun’s Magnetic Field Flip This Year?
Just how much stronger is this year’s solar activity going to get?
Episode: S10 E13 | 16:11
Watch • 17:25
PBS Space Time
Is It Impossible To Cross The Event Horizon? | Black Hole Firewall Paradox
So you’ve decided to jump into a black hole...
Episode: S10 E12 | 17:25
Watch • 12:51
PBS Space Time
What’s The Universe’s Strongest Particle Accelerator?
We only recently figured out where cosmic rays are coming from.
Episode: S10 E11 | 12:51
Watch • 13:28
PBS Space Time
Can Black Holes Unify General Relativity & Quantum Mechanics?
Black hole complementarity may force us to rethink what it means to say that it exists.
Episode: S10 E10 | 13:28
Watch • 16:19
PBS Space Time
What Happens If You Jump Into A Black Hole?
Today we are jumping into a black hole. Again.
Episode: S10 E8 | 16:19
Watch • 15:36
PBS Space Time
Why Is The World Rushing Back To The Moon?
The Moon: humanity’s first destination beyond our atmosphere.
Episode: S10 E7 | 15:36
Watch • 15:07
PBS Space Time
How Eclipses Revealed Our Solar System
So how did humans figure out the solar system? Eclipses!
Episode: S10 E6 | 15:07
Watch • 15:02
PBS Space Time
What If Gravity is Not A Fundamental Force?
Is gravity just an emergent effect of entropy?
Episode: S10 E5 | 15:02
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  • PBS Space Time Season 10
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  • PBS Space Time Season 8
  • PBS Space Time Season 7
  • PBS Space Time Season 6
  • PBS Space Time Season 5
  • PBS Space Time Season 4
  • PBS Space Time Season 3
  • PBS Space Time Season 2
  • PBS Space Time Season 1
Watch • 16:28
PBS Space Time
How To Detect Faster Than Light Travel
Faster than light travel may produce gravitational waves that we could see here on Earth.
Episode: S10 E15 | 16:28
Watch • 20:07
PBS Space Time
Can a Particle Be Neither Matter Nor Force?
All particles belong to two large groups: fermions and bosons.
Episode: S10 E14 | 20:07
Watch • 16:11
PBS Space Time
Will The Sun’s Magnetic Field Flip This Year?
Just how much stronger is this year’s solar activity going to get?
Episode: S10 E13 | 16:11
Watch • 17:25
PBS Space Time
Is It Impossible To Cross The Event Horizon? | Black Hole Firewall Paradox
So you’ve decided to jump into a black hole...
Episode: S10 E12 | 17:25
Watch • 12:51
PBS Space Time
What’s The Universe’s Strongest Particle Accelerator?
We only recently figured out where cosmic rays are coming from.
Episode: S10 E11 | 12:51
Watch • 13:28
PBS Space Time
Can Black Holes Unify General Relativity & Quantum Mechanics?
Black hole complementarity may force us to rethink what it means to say that it exists.
Episode: S10 E10 | 13:28
Watch • 16:19
PBS Space Time
What Happens If You Jump Into A Black Hole?
Today we are jumping into a black hole. Again.
Episode: S10 E8 | 16:19
Watch • 15:36
PBS Space Time
Why Is The World Rushing Back To The Moon?
The Moon: humanity’s first destination beyond our atmosphere.
Episode: S10 E7 | 15:36
Watch • 15:07
PBS Space Time
How Eclipses Revealed Our Solar System
So how did humans figure out the solar system? Eclipses!
Episode: S10 E6 | 15:07
Watch • 15:02
PBS Space Time
What If Gravity is Not A Fundamental Force?
Is gravity just an emergent effect of entropy?
Episode: S10 E5 | 15:02