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PBS Space Time
What If the Galactic Habitable Zone Limits Intelligent Life?
Season 8
Episode 15
Our solar system is a tiny bubble of habitability suspended in a vast universe that mostly wants to kill us. In fact, a good fraction of our own galaxy turns out to be utterly uninhabitable, even for sun—like stellar systems. Is this why .. most of us .. haven’t seen aliens?
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12:14
Could we turn our solar system into a spaceship and drive the Sun around the galaxy?
16:00
If we want to see quantum weirdness with our eyes, we’ll need Bose-Einstein Condensates.
16:42
Could LIGO find alien spacecraft accelerating to near light speed?
15:51
How can we tell the difference between fermions & bosons? Statistical Mechanics!
13:25
Why has a newly discovered a black hole started pointing directly at us?
15:57
There’s a hard limit to humanity’s expansion in the universe. So, how big can we get?
16:49
Let’s figure out the absolute limit of our future view of the universe!
16:28
Physics is the business of figuring out the structure of the world. So are our brains.
14:28
Nuclei are held together by a quirk of nature, without which there’d be nothing.
16:29
Your motion through the universe is extremely complicated, so let’s figure it out!