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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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19:14
Life on mars could result in humanity’s destruction via Fermi Paradox.
19:01
How to build a particle collider the size of the solar system.
12:39
One of the most important reasons we go to space is to know our own planet better.
16:18
Is there evidence for the existence of an enormous number of other universes?
17:14
Can something that exists be bad science?
18:56
It may be that our very DNA inherited its twist from the underlying handedness of reality.
17:21
Did God have any choice in creating the world? So asked Albert Einstein
18:19
What if, just before we reach the bottom, we find out that reductionism fails?
19:03
The biggest news in cosmology in recent years is that dark energy may be fading away.
18:50
Does this also explain why there are no aliens?
16:58
Quantum energy teleportation may be as close as we get to transporter beams. But how close is that?
14:50
Why is there any matter in the universe? A new antimatter breakthrough at LHC holds clues.