Skip to main content
Back to Show
PBS Space Time

Is Interstellar Travel Impossible?

Season 8 Episode 19

Space is pretty deadly. But is it so deadly that we’re effectively imprisoned in our solar system forever? Many have said so, but a few have actually figured it out.

Support Provided By
Season
Anti-gravity and the True Nature of Dark Energy
12:04
We’ve come a long way in our understanding of dark energy.
What Does Dark Energy Really Do?
9:50
How does dark energy affect the universe's expansion?
Why the Universe Needs Dark Energy
9:33
What's needed to determine the shape and geometry of our universe?
We Are Star Stuff
10:38
Stars are our stellar alchemists.
Will Starshot's Insterstellar Journey Succeed?
8:51
Starshot is an interstellar travel expedition unlike any other before it.
How Cosmic Inflation Flattened the Universe
10:17
The Big Bang Theory only gets us part of the way there.
Why is the Earth Round and the Milky Way Flat?
10:48
Our universe is not a very diverse place when it comes to shapes.
What’s Wrong With the Big Bang Theory?
9:56
We continue our search for a grand unifying theory of the Big Bang!
Why the Big Bang Definitely Happened
8:54
The actual moment of ‘the Big Bang’ is still a bit of a grey area within physics.
Should We Build a Dyson Sphere?
10:14
The Kepler telescope recently found a strange partial eclipse...possibly a Dyson Sphere.
LIGO's First Detection of Gravitational Waves!
7:29
Gravitational waves have officially been detected by LIGO!
How the Quantum Eraser Rewrites the Past
10:06
Causality is meant to move in one direction: forward.
Active loading indicator