Up Next
Back to Show
PBS Space Time
Is the Proxima System Our Best Hope For Another Earth?
Season 8
Episode 8
At just four light years away, Proxima Centauri is our closest solar neighbor. The recent discovery of the new exoplanet Proxima D, has reopened the discussion of whether the proxima system is our best chance at reaching another Earth. How did we discover Proxima D? How do we know what the conditions are on planets so far away? Watch the episode to learn more.
Support Provided By
17:25
So you’ve decided to jump into a black hole...
12:51
We only recently figured out where cosmic rays are coming from.
13:28
Black hole complementarity may force us to rethink what it means to say that it exists.
20:15
To travel the stars without faster than light travel we’re going to need a generation ship.
16:19
Today we are jumping into a black hole. Again.
15:36
The Moon: humanity’s first destination beyond our atmosphere.
15:07
So how did humans figure out the solar system? Eclipses!
15:02
Is gravity just an emergent effect of entropy?
14:28
Is our 3-D universe is just the inward projection of an infinitely distant boundary?
14:12
What if aliens are deliberately keeping quiet for fear that they might be destroyed?
15:13
So what exactly is an EMP, and how dangerous are they?
14:44
The terrible singularity at the heart of the black hole may be no more.