Up Next
Back to Show
PBS Space Time
What Supernova Distance Would Trigger Mass Extinction?
Season 9
Episode 16
The deaths of massive stars results in one of the most beautiful and violent events in the universe: the supernova. But if these explosions occur too close to Earth their radiation can impact life and even trigger mass extinctions.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
12:41
Does gravity require extra dimensions?
14:21
This is a map of the multiverse.
13:52
How Luminiferous Aether led to Relativity.
14:01
How do you learn the age of the universe when there’s no trace left of its beginnings?
14:31
When do we get to wormhole ourselves out of here?
13:31
Recently we discovered that its violent past was much more recent than we thought.
13:38
How can we be sure about timescales so far beyond the capacity for human intuition?
11:54
Normal maps are useless inside black holes.
12:49
If there’s one thing cooler than a black hole it’s a rotating black hole.
14:42
How do quantum states manifest in the classical world?
11:31
If the quantum multiverse is real there may be a version of you that lives forever.
15:09
Does conscious observation of a quantum system cause the wavefunction to collapse?