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Season 2017

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PBS Space Time Season 2017

January. 04,2017
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PBS Space Time

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 with our astrophysicist host: Matthew O’Dowd.

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PBS Space Time

2015

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 with our astrophysicist host: Matthew O’Dowd.

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PBS Space Time Season 2017 Full Episode Guide

Episode 44 - The Origin of Our First Interstellar Visitor
First Aired: December. 13,2017

We were recently visited by a traveler from outside our solar system. This is the first time we’ve ever seen an object that came to us from interstellar space. It's name is 'Oumuamua.

Episode 43 - Understanding the Uncertainty Principle with Quantum Fourier Series
Episode 41 - Suicide Space Robots
First Aired: November. 22,2017

Let’s take a moment to remember the selfless sacrifices made by some amazing robotic explorers. And be sure to learn more about your personal DNA story by going to 23andMe.com/spacetime and taking advantage of their special holiday offer.

Episode 39 - The Vacuum Catastrophe
First Aired: November. 03,2017

If vacuum energy really does have the enormous value predicted by quantum field theory then our gently expanding, geometrically flat universe shouldn’t exist. This is the vacuum catastrophe.

Episode 38 - The Missing Mass Mystery
Episode 35 - When Quasars Collide STJC
First Aired: October. 04,2017

So what happens when two Super Massive Black Holes collide? We may be about to find out, because astronomers have spotted a pair of them in a close binary orbit for the very first time.

Episode 34 - Are the Fundamental Constants Changing?
First Aired: September. 28,2017

The laws of physics are the same everywhere in the universe. At least we astrophysicists hope so. After all, it’s hard to unravel the complexities of distant parts of the universe if we don’t know the basic rules. But what if this is wrong? There is a hint of evidence that the fundamental constants that govern our universe may evolve over time, and even from one location to another.

Episode 33 - The Future of Space Telescope
Episode 29 - Extraterrestrial Superstorms
Episode 26 - The Secrets of Feynman Diagrams
First Aired: July. 26,2017

Unlock the secrets of Feynman Diagrams. Part 5 in our Quantum Field Theory series. And if you're submitting an answer to our challenge question email your answer by August 2nd to [email protected] with the subject line "Feynman Diagram Challenge."

Episode 25 - The Real Star Wars
First Aired: July. 19,2017

Anti-Satellite weaponry, giant X-ray lasers and kinetic impact missiles nicknamed the “Rods from God.” Find out about the history of the real star wars that have been waged over the past 50 years.

Episode 22 - The First Quantum Field Theory
First Aired: June. 28,2017

Quantum mechanics is perhaps the most unintuitive theory ever devised. And yet it’s also the most successful, in terms of sheer predictive power. Simply by following the math of quantum mechanics, incredible discoveries have been made. Its wild success tells us that the mathematical description provided by quantum mechanics reflects deep truths about reality. And by far the most successful, most predictive formulation of quantum mechanics is quantum field theory. It is our best description we have of the fundamental workings of reality. And the first part of quantum field theory that was derived – quantum electrodynamics – is the most precise, most accurate of all.

Episode 21 - Anti-Matter and Quantum Relativity
Episode 20 - Supervoids vs Colliding Universes!
First Aired: June. 07,2017

If you study a map of the Cosmic Microwave Background, or CMB, you may notice a large, deep blue splotch on the lower right. This area, creatively named the Cold Spot. Is this feature a statistical fluke, the signature of vast supervoids, or even the imprint of another universe?

Episode 19 - The Fate of the First Stars
First Aired: May. 31,2017

Soon after the Big Bang, the first generation of monstrously large stars ignited, lit up the universe, and then died. The resulting swarms of supernova explosions enriched the universe with the first heavy elements and LOTs of black holes. They shaped everything that came after. These were the stars of Population III, and they are one of the most enduring mysteries in astrophysics.

Episode 18 - Martian Evolution
First Aired: May. 17,2017

What will become of humanity after spend a few hundred years on Mars? What will happen after a few thousand? Evolution has, and still is, shaping humanity in rather drastic ways. How long will humans stop being human and become Martian?

Episode 16 - Are We Living in an Ancestor Simulation?
Episode 15 - Are You a Boltzmann Brain?
First Aired: April. 26,2017

Was an incredible drop in entropy responsible for the Big Bang? If that’s the case, this would lead us to conclude that a great many other things are possible, including the likelihood that you are a Boltzmann Brain.

Episode 14 - The Oh My God Particle
Episode 10 - Time Crystals!
First Aired: March. 15,2017

In this episode of the Space Time Journal Club Matt discusses how two independent research teams created their own Time Crystals, a form of matter that breaks time translational symmetry and could be used in quantum computers.

Episode 9 - The Race to a Habitable Exoplanet - Time Warp Challenge
First Aired: March. 08,2017

You’ve discovered a habitable exoplanet, but so has an an evil interplanetary mining corporation. Can you get to the planet before they strip it bare and leave it unsuitable for life? You’re going to need a ship, the Lorentz Transformation and the Wait Equation. Hang on, it’s going to be a bumpy ride.

Episode 8 - The Treasures of Trappist-1
First Aired: March. 01,2017

Can humanity survive on one of the seven earth-like Trappist-1 planets? Last week, seven earth-like planets were discovered orbiting a Red Dwarf star 39 light years away. Each one could be capable of supporting life.

Episode 7 - The Eye of Sauron Reveals a Forming Solar System!
Episode 5 - The Geometry of Causality
First Aired: February. 02,2017

In this episode we dive deeper into the relationship between space and time and explore how we can geometrically map the causality of the universe and increase our understanding of how time and distance relate to one another.

Episode 4 - Why Quasars are so Awesome
First Aired: January. 25,2017

When Quasars were first discovered the amount of light pouring out of such a tiny dot in space seemed impossible. A hysterical flurry of hypothesizing followed: swarms of neutron stars, alien civilizations harnessing their entire galaxy’s power, bright, fast-moving objects being ejected by our own galaxy’s core. But by the 1980’s we were converging on the most awesome explanation. It goes a little like this: Take a black hole of millions to billions times the mass of the sun. Where from? It turns out every decent-sized galaxy has one at its core. Now drive gas into the galactic core. One way this can happen is when galaxies merge and grow. That gas descends into the waiting black hole’s gravitational well and gains incredible speed on the way. It is swept up in a raging whirlpool around the black hole that we call an accretion disk, where its energy of motion is turned into heat. The heat-glow of the accretion disk is so bright that we can see quasars to the ends of the universe.

Episode 3 - The Phantom Singularity
First Aired: January. 19,2017

Isaac Newton’s Universal Law of Gravitation tells us that there is a singularity to be found within a black hole, but scientists and mathematicians have found a number of issues with Newton’s equations. They don’t always accurately represent reality. Einstein’s General Theory of Relativity is a more complete theory of gravity. So does using the General Theory of Relativity eliminate the singularity? No. Not only does it concur with Newton’s Universal Law of Gravitation but it also reveals a second singularity, not at the center of the black hole but at the event horizon.

Episode 1 - How to See Black Holes + Kugelblitz Challenge Answer
First Aired: January. 04,2017

Find out how scientists are mapping the black holes throughout the Milky Way and beyond as well as the answer to the Escape the Kugelblitz Challenge Question. Were you able to save humanity?

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