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PBS Space Time
The Star at the End of Time
Season 4
Episode 23
If we, or any conscious being is around to witness the very distant future our galaxy, what will they see? How long will life persist as the stars begin to die?
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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.
14:33
We may have solved the mysterious origins of supermassive black holes in our universe.