Episodes
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How Do We Know What Stars Are Made Of?
S6 Ep26 |This how we finally figured them out.
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Extinction by Gamma-Ray Burst
S4 Ep7 |Find out about the last time and the next time the Earth will be hit by a Gamma-ray Burst. - Embedded Video LinkImage
The Origin of Our First Interstellar Visitor
S4 Ep6 |We were recently visited by a traveler from outside our solar system: 'Oumuamua. - Embedded Video LinkImage
Understanding the Uncertainty Principle
S4 Ep5 |Large-scale phenomena can give us incredible insights into the world of quantum mechanics. - Embedded Video LinkImage
Suicide Space Robots
S4 Ep3 |Let’s take a moment to remember the selfless sacrifices made by some robotic explorers. - Embedded Video LinkImage
Zero-Point Energy Demystified
S4 Ep2 |Let’s talk about the mysterious zero-point energy and what it really can and can’t do. - Embedded Video LinkImage
The Vacuum Catastrophe
S4 Ep1 |If quantum field theory is right about vacuum energy, our universe shouldn't exist. - Embedded Video LinkImage
The Missing Mass Mystery
S3 Ep23 |Astronomers haven't been able to find up to half of the baryonic matter in the universe.
Specials
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Strange Stars
These stars may be the most massive stellar remnant just shy of forming a black hole.
About PBS Space Time
PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down the both the basic and incredibly complex sides of space and time.
