Up Next
Back to Show
PBS Space Time
The Andromeda-Milky Way Collision
Season 4
Episode 18
The Andromeda galaxy is heading straight toward our own Milky Way. The two galaxies will inevitably collide. Will that be the very last night sky our solar system witnesses?
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
15:32
Can we change the color of a black hole?
18:26
Learn about Nobel laureate Roger Penrose's idea of how consciousness is caused by quantum processes.
16:28
Faster than light travel may produce gravitational waves that we could see here on Earth.
20:07
All particles belong to two large groups: fermions and bosons.
16:11
Just how much stronger is this year’s solar activity going to get?
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!