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PBS Space Time

What Supernova Distance Would Trigger Mass Extinction?

Season 9 Episode 16 | 15m 16s

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.

Aired: 06/13/23
Extras
Watch • 18:19
PBS Space Time
The Crisis In Physics: Are We Missing 17 Layers of Reality?
What if, just before we reach the bottom, we find out that reductionism fails?
Episode: S11 E6 | 18:19
Watch • 19:03
PBS Space Time
Is Our Model of Dark Energy Wrong? | New 4.2σ Results
The biggest news in cosmology in recent years is that dark energy may be fading away.
Episode: S11 E5 | 19:03
Watch • 18:50
PBS Space Time
Is There A Simple Solution To The Fermi Paradox?
Does this also explain why there are no aliens?
Episode: S11 E4 | 18:50
Watch • 16:58
PBS Space Time
Quantum Energy Teleportation is Real!
Quantum energy teleportation may be as close as we get to transporter beams. But how close is that?
Episode: S11 E3 | 16:58
Watch • 14:50
PBS Space Time
Why Didn’t Antimatter Destroy The Universe?
Why is there any matter in the universe? A new antimatter breakthrough at LHC holds clues.
Episode: S11 E2 | 14:50
Watch • 16:30
PBS Space Time
New Evidence: Earth Had Rings (and Might Regain Them)
There’s an extremely good chance that Earth once did have a ring system.
Episode: S11 E1 | 16:30
Watch • 17:23
PBS Space Time
How Astrophysics Can Literally Save the World
How is it possible to tell if a space rock will one day collide with the Earth?
Episode: S10 E37 | 17:23
Watch • 15:58
PBS Space Time
Your DNA's Codes Are (Probably) From Outer Space
Did you know that many of us have up to 4% neanderthal DNA?
Episode: S10 E36 | 15:58
Watch • 16:35
PBS Space Time
Will The Big Bang Happen Again (and Again)?
What if the Big Bang was just an endless cycle?
Episode: S10 E35 | 16:35
Watch • 19:39
PBS Space Time
The Final Barrier to (Nearly) Infinite Energy
Why are billions suddenly being pumped into fusion startups?
Episode: S10 E34 | 19:39
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Watch • 18:19
PBS Space Time
The Crisis In Physics: Are We Missing 17 Layers of Reality?
What if, just before we reach the bottom, we find out that reductionism fails?
Episode: S11 E6 | 18:19
Watch • 19:03
PBS Space Time
Is Our Model of Dark Energy Wrong? | New 4.2σ Results
The biggest news in cosmology in recent years is that dark energy may be fading away.
Episode: S11 E5 | 19:03
Watch • 18:50
PBS Space Time
Is There A Simple Solution To The Fermi Paradox?
Does this also explain why there are no aliens?
Episode: S11 E4 | 18:50
Watch • 16:58
PBS Space Time
Quantum Energy Teleportation is Real!
Quantum energy teleportation may be as close as we get to transporter beams. But how close is that?
Episode: S11 E3 | 16:58
Watch • 14:50
PBS Space Time
Why Didn’t Antimatter Destroy The Universe?
Why is there any matter in the universe? A new antimatter breakthrough at LHC holds clues.
Episode: S11 E2 | 14:50
Watch • 16:30
PBS Space Time
New Evidence: Earth Had Rings (and Might Regain Them)
There’s an extremely good chance that Earth once did have a ring system.
Episode: S11 E1 | 16:30
Watch • 17:23
PBS Space Time
How Astrophysics Can Literally Save the World
How is it possible to tell if a space rock will one day collide with the Earth?
Episode: S10 E37 | 17:23
Watch • 15:58
PBS Space Time
Your DNA's Codes Are (Probably) From Outer Space
Did you know that many of us have up to 4% neanderthal DNA?
Episode: S10 E36 | 15:58
Watch • 16:35
PBS Space Time
Will The Big Bang Happen Again (and Again)?
What if the Big Bang was just an endless cycle?
Episode: S10 E35 | 16:35
Watch • 19:39
PBS Space Time
The Final Barrier to (Nearly) Infinite Energy
Why are billions suddenly being pumped into fusion startups?
Episode: S10 E34 | 19:39