Season 2026
- E16: JWST May Have Discovered a New Cosmic Object: The Black Hole Star
- E15: There's Something Massive Hiding Behind the Galaxy's Strangest Star
- E14: We Thought All Black Holes Came From Stars. We May Have Been Wrong.
- E13: The Universe Has Been Expanding Since the Big Bang. Just Not How We Thought.
- E12: The Quantum Experiment That Breaks Time
- E11: We Thought Black Holes Created Event Horizons. It Might Be the Opposite
- E10: We’ve Been Searching for Aliens the Wrong Way. That’s All About To Change. . .
- E9: We Thought Black Holes Ended in Singularities. They Might End In a Frozen Big Bang.
- E8: We Found Galaxies Too Old for the Universe
- E7: Earth’s Core Should Be Impossible. A New State of Matter Explains It.
- E6: Something Disturbing Happens When You Solve Einstein's Equations This Way
- E5: Most of Reality Is Invisible. We May Finally Be About to Reveal It.
- E4: The Universe Is Racing Apart. We May Finally Know Why.
- E3: The Universe Tried to Hide the Gravity Particle. Physicists Found a Loophole.
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E2: This Particle Solved Everything. We Just Found Out It Isn't Real -
E1: The Universe Itself Might Be Hiding the Gravity Particle From Us
Season 2025
- E25: Heisenberg Made a Discovery in 1925. We Still Can't Explain It
- E24: The Biggest Planet Discovery in History Is About to Begin! (Next Year)
- E23: The Gravity Particle Should Exist. So Where Is It?
- E22: Why Antimatter Engines Could Launch In Your Lifetime
- E21: We Were WRONG About the Quantum Eraser!
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E20: Why Life on Mars Will DOOM Humanity -
E19: At What Point Does Spacetime Become Quantum? -
E18: The Most Important Satellite You’ve (Probably) Never Heard Of - E17: Is There Evidence For a Vast Multiverse?
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E16: Why The Multiverse Could Be Real -
E15: How Did SPACE Shape Your DNA? -
E14: Are The Fundamental Constants Finely Tuned? | The Naturalness Problem -
E13: The Crisis In Physics: Are We Missing 17 Layers of Reality? -
E12: Is Our Model of Dark Energy WRONG? | New 4.2σ Results -
E11: Is There A Simple Solution To The Fermi Paradox? -
E10: Quantum Energy Teleportation is REAL! -
E9: Why Didn’t Antimatter Destroy The Universe? | LHC Breakthrough -
E8: NEW EVIDENCE: Earth Had Rings (and Might Regain Them) -
E7: How Astrophysics Can (LITERALLY) Save the World -
E6: Your DNA Is (Almost Certainly) From Outer Space -
E5: Will The Big Bang Happen AGAIN (and Again)? -
E4: The Final Barrier to (Nearly) Infinite Energy -
E3: The Crisis in Physics: Why the Higgs Boson Should NOT Exist! -
E2: Does Timescapes DISPROVE Dark Energy? -
E1: How Many Black Holes Are In The Solar System?
Season 2024
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E33: Does Infinity - Infinity = an Electron? -
E32: What Does An Electron ACTUALLY Look Like? -
E31: The NEW Ultimate Energy Limit of the Universe -
E30: Does the Planck Length Break E=MC^2? -
E29: Can Space Time Remember? -
E28: How Can Humanity Become a Kardashev Type 1 Civilization? -
E27: Do Neutron Stars Shine In Dark Matter? -
E26: What If The Cosmological Constant Is NOT Constant? -
E25: What If The Universe DID NOT Start With The Big Bang? -
E24: The NEW PHYSICS of Black Hole Star Capture | Extreme Tidal Disruption Events -
E23: What If Gravity Isn’t Quantum? New Experiments Explore -
E22: Is Gravity RANDOM Not Quantum? -
E21: Can We Create New Elements Beyond the Periodic Table? -
E20: Colored Black Holes Explained -
E19: Was Penrose Right? NEW EVIDENCE For Quantum Effects In The Brain -
E18: How To Detect Faster Than Light Travel -
E17: Can a Particle Be Neither Matter Nor Force? -
E16: Will The Sun’s Magnetic Field Flip This Year? -
E15: Is It IMPOSSIBLE To Cross The Event Horizon? | Black Hole Firewall Paradox -
E14: How Supernovas Act as Universe’s Largest Particle Accelerators -
E13: Can Black Holes Unify General Relativity & Quantum Mechanics? -
E12: Interstellar Expansion WITHOUT Faster Than Light Travel -
E11: What Happens If You Jump Into A Black Hole? -
E10: Why Is The World Rushing Back To The Moon? -
E9: How Eclipses Revealed Our Solar System -
E8: What If Gravity is NOT A Fundamental Force? | Entropic Gravity -
E7: Does Space Emerge From A Holographic Boundary? -
E6: Dark Forest: Should We NOT Contact Aliens? -
E5: EMP Attack: The Real Science of Electromagnetic Pulse -
E4: What if Singularities DO NOT Exist? -
E3: Did JWST Solve The Mystery of Supermassive Black Hole Origins? -
E2: Does Antimatter Create Anti-Gravity? -
E1: Can Cosmic Voids Solve The Crisis in Cosmology?
Season 2023
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E33: What If There's A Black Hole Inside The Sun? | Hawking Stars - E32: What if Humans Are NOT Earth's First Civilization? | Silurian Hypothesis
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E31: Does Many Worlds Explain Quantum Probabilities? - E30: What If Gravity is NOT Quantum?
- E29: How Will We (Most Likely) Discover Alien Life?
- E28: Why Did Attosecond Physics Win the NOBEL PRIZE?
- E27: The Farthest Star Ever Seen!
- E26: Are Pilot Wave & Many Worlds THE SAME Theory?
- E25: Are Room Temperature Superconductors IMPOSSIBLE?
- E24: What NEW SCIENCE Would We Discover with a Moon Telescope?
- E23: What If Space is NOT Empty?
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E22: Did JWST Discover Dark Matter Stars? -
E21: Do We Need a NEW Dark Matter Model? -
E20: Was the Gravitational Wave Background Finally Discovered?!? - E19: What If The Speed of Light is NOT CONSTANT?
- E18: Does Axionic Dark Matter Bind Galaxies Together?
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E17: Did AI Prove Our Proton Model WRONG? -
E16: What Supernova Distance Would Trigger Mass Extinction? -
E15: Can We Move PLANET EARTH Across the Universe? -
E14: Is 'Perpetual Motion' Possible with Superfluids? - E13: Finding Alien Spacecraft with Gravitational Waves
- E12: Understanding One of Physics' Most Challenging Topics!
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E11: NEW DISCOVERY About Supermassive Black Holes Explained! -
E10: How Far Beyond Earth Could Humanity Spread? -
E9: How Much Of The Universe Can Humanity Ever See? -
E8: What If Black Holes ARE Dark Energy? -
E7: What’s Your Brain’s Role in Creating Space & Time? -
E6: What If Space And Time Are NOT Real? -
E5: How Does The Nucleus Hold Together? -
E4: How Earth REALLY Moves Through the Galaxy -
E3: What If Alien Life Were Silicon-Based? -
E2: What If The Universe Is Math? -
E1: The NEW SCIENCE of Moon Formation
Season 2022
- E34: How Can Matter Be BOTH Liquid AND Gas?
- E33: How Are Quasiparticles Different From Particles?
- E32: How To See Black Holes By Catching Neutrinos
- E31: Are there Undiscovered Elements Beyond The Periodic Table?
- E30: What If Humanity Is Among The First Spacefaring Civilizations?
- E29: Why Did Quantum Entanglement Win the Nobel Prize in Physics?
- E28: The Equation That Explains (Nearly) Everything!
- E27: The REAL Possibility of Mapping Alien Planets!
- E26: Why Is 1/137 One of the Greatest Unsolved Problems In Physics?
- E25: Science of the James Webb Telescope Explained!
- E24: Could the Higgs Boson Lead Us to Dark Matter?
- E23: What Makes The Strong Force Strong?
- E22: What If Dark Energy is a New Quantum Field?
- E21: What Happens Inside a Proton?
- E20: How Many States Of Matter Are There?
- E19: What If We Live in a Superdeterministic Universe?
- E18: Could We Decode Alien Physics?
- E17: Is Interstellar Travel Impossible?
- E16: Have We SOLVED The Black Hole Information Paradox with Wormholes?
- E15: What If Physics IS NOT Describing Reality?
- E14: The Evolution of the Modern Milky Way Galaxy
- E13: What If the Galactic Habitable Zone LIMITS Intelligent Life?
- E12: Space DOES NOT Expand Everywhere
- E11: How the Higgs Mechanism Give Things Mass
- E10: Does the Universe Create Itself?
- E9: Could The Universe Be Inside A Black Hole?
- E8: Where Is The Center of The Universe?
- E7: What If Charge is NOT Fundamental?
- E6: Is the Proxima System Our Best Hope For Another Earth?
- E5: Are Cosmic Strings Cracks in the Universe?
- E4: Is The Wave Function The Building Block of Reality?
- E3: How Does Gravity Escape A Black Hole?
- E2: How To Build The Universe in a Computer
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E1: How To Simulate The Universe With DFT
Season 2021
- E35: How to Find ALIEN Dyson Spheres
- E34: What Happens If A Black Hole Hits Earth?
- E33: Are Black Holes Actually Fuzzballs?
- E32: What If Our Understanding of Gravity Is Wrong?
- E31: Is ACTION The Most Fundamental Property in Physics?
- E30: Will Constructor Theory REWRITE Physics?
- E29: New Results in Quantum Tunneling vs. The Speed of Light
- E28: Why Magnetic Monopoles SHOULD Exist
- E27: How Electron Spin Makes Matter Possible
- E26: Neutron Stars: The Most Extreme Objects in the Universe
- E25: First Detection of Light from Behind a Black Hole
- E24: How Vacuum Decay Would Destroy The Universe
- E23: How to Communicate Across the Quantum Multiverse
- E22: How An Extreme New Star Could Change All Cosmology
- E21: How Magnetism Shapes The Universe
- E20: Where Are The Worlds In Many Worlds?
- E19: Electrons DO NOT Spin
- E18: How Quantum Entanglement Creates Entropy
- E17: Can Space Be Infinitely Divided?
- E16: Are We Running Out of Space Above Earth?
- E15: What If (Tiny) Black Holes Are Everywhere?
- E14: Breaking The Heisenberg Uncertainty Principle
- E13: How To Know If It's Aliens
- E12: The NEW Warp Drive Possibilities
- E11: What If Dark Matter Is Just Black Holes?
- E10: Why the Muon g-2 Results Are So Exciting!
- E9: Zeno's Paradox & The Quantum Zeno Effect
- E8: The NEW Crisis in Cosmology
- E7: How Does Gravity Affect Light?
- E6: Does Time Cause Gravity?
- E5: Gravitational Wave Background Discovered?
- E4: How Does Gravity Warp the Flow of Time?
- E3: Is Dark Matter Made of Particles?
- E2: Can We Break the Universe?
- E1: What Happens During a Quantum Jump?
Season 2020
- E41: Navigating with Quantum Entanglement
- E40: The Supernovas At The End of The Universe
- E39: Why Do You Remember The Past But Not The Future?
- E38: The Arrow of Time and How to Reverse It
- E37: Can Free Will be Saved in a Deterministic Universe?
- E36: Electroweak Theory and the Origin of the Fundamental Forces
- E35: How The Penrose Singularity Theorem Predicts The End of Space Time
- E34: Is The Future Predetermined By Quantum Mechanics?
- E33: Do the Past and Future Exist?
- E32: Venus May Have Life!
- E31: Solving Quantum Cryptography
- E30: Could Life Evolve Inside Stars?
- E29: The Truth About Beauty in Physics
- E28: How Do We Know What Stars Are Made Of?
- E27: Can Future Colliders Break the Standard Model?
- E26: How Stars Destroy Each Other
- E25: The Boundary Between Black Holes & Neutron Stars
- E24: Does Antimatter Explain Why There's Something Rather Than Nothing?
- E23: Dissolving an Event Horizon
- E22: Building Black Holes in a Lab
- E21: What Happens After the Universe Ends?
- E20: Can Viruses Travel Between Planets?
- E19: Does Gravity Require Extra Dimensions?
- E18: Mapping the Multiverse
- E17: How Luminiferous Aether Led to Relativity
- E16: How We Know The Universe is Ancient
- E15: Will Wormholes Allow Fast Interstellar Travel?
- E14: Was the Milky Way a Quasar?
- E13: How We Know The Earth Is Ancient
- E12: What’s On The Other Side Of A Black Hole?
- E11: How Black Holes Spin Space Time
- E10: How Do Quantum States Manifest In The Classical World?
- E9: Does Quantum Immortality Save Schrödinger's Cat?
- E8: How Decoherence Splits The Quantum Multiverse
- E7: Does Consciousness Influence Quantum Mechanics?
- E6: Are Axions Dark Matter?
- E5: Are there Infinite Versions of You?
- E4: Hacking the Nature of Reality
- E3: Solutions to the Three Body Problem
- E2: How To Capture Black Holes
- E1: How To Detect a Neutrino
Season 2019
- E40: Do Black Holes Create New Universes?
- E39: The Doomsday Argument
- E38: Is The Universe Finite?
- E37: Can You Observe a Typical Universe?
- E36: Does Life Need a Multiverse to Exist?
- E35: Why We Might Be Alone in the Universe
- E34: Is Time Travel Impossible?
- E33: Loop Quantum Gravity Explained
- E32: Black Hole Harmonics
- E31: How Many Universes Are There?
- E30: Is Pluto a Planet?
- E29: Could We Terraform Mars?
- E28: Is Earth's Magnetic Field Reversing?
- E27: How To Become an Astrophysicist + Challenge Question!
- E26: What Happened Before the Big Bang?
- E25: Exploring Arecibo in VR 180
- E24: What Caused the Big Bang?
- E23: Deciphering The Vast Scale of the Universe - STELLAR
- E22: Did Time Start at the Big Bang?
- E21: The Quantum Internet
- E20: Thorium and the Future of Nuclear Energy
- E19: The Quasar from The Beginning of Time - STELLAR
- E18: How Black Holes Kill Galaxies
- E17: The Alchemy of Neutron Star Collisions
- E16: The Cosmic Dark Ages
- E15: Why Quantum Computing Requires Quantum Cryptography
- E14: The Real Science of the EHT Black Hole
- E13: No Dark Matter = Proof of Dark Matter?
- E12: The Holographic Universe Explained
- E11: The Edge of an Infinite Universe
- E10: Could the Universe End by Tearing Apart Every Atom?
- E9: Is Dark Energy Getting Stronger?
- E8: Will You Travel to Space?
- E7: The Impossibility of Perpetual Motion Machines
- E6: Secrets of the Cosmic Microwave Background
- E5: Sound Waves from the Beginning of Time
- E4: Perpetual Motion From Negative Mass?
- E3: The Crisis in Cosmology
- E2: Our Antimatter, Mirrored, Time-Reversed Universe
- E1: Are Dark Matter And Dark Energy The Same?
Season 2018
- E44: Why String Theory is Wrong
- E43: Quantum Physics in a Mirror Universe
- E42: Did Life on Earth Come from Space?
- E41: 'Oumuamua Is Not Alien
- E40: Supersymmetric Particle Found?
- E39: Why String Theory is Right
- E38: Are Virtual Particles A New Layer of Reality?
- E37: Will We Ever Find Alien Life?
- E36: What are the Strings in String Theory?
- E35: Computing a Universe Simulation
- E34: How to Detect Extra Dimensions
- E33: Quantum Gravity and the Hardest Problem in Physics
- E32: How Much Information is in the Universe?
- E31: The Black Hole Entropy Enigma
- E30: Is There Life on Mars?
- E29: How Will the Universe End?
- E28: Quantum Theory's Most Incredible Prediction
- E27: How Close To The Sun Can Humanity Get?
- E26: Reversing Entropy with Maxwell's Demon
- E25: The Misunderstood Nature of Entropy
- E24: Quantum Invariance & The Origin of The Standard Model
- E23: Will A New Neutrino Change The Standard Model?
- E22: How Asteroid Mining Will Save Earth
- E21: The Black Hole Information Paradox
- E20: What Survives Inside A Black Hole?
- E19: Why Quantum Information is Never Destroyed
- E18: Noether's Theorem and The Symmetries of Reality
- E17: How Gaia Changed Astronomy Forever
- E16: The Star at the End of Time
- E15: Black Hole Swarms
- E14: Using Stars to See Gravitational Waves
- E13: Physics of Life
- E12: The Unruh Effect
- E11: The Andromeda-Milky Way Collision
- E10: Scientists Have Detected the First Stars
- E9: Hawking Radiation
- E8: Should Space be Privatized?
- E7: The Trebuchet Challenge
- E6: The Death of the Sun
- E5: What is Energy?
- E4: Kronos: Devourer Of Worlds
- E3: The End of the Habitable Zone
- E2: Horizon Radiation
- E1: What Do Stars Sound Like?
Season 2017
- E45: Extinction by Gamma-Ray Burst
- E44: The Origin of Our First Interstellar Visitor
- E43: Understanding the Uncertainty Principle with Quantum Fourier Series
- E42: Citizen Science + Zero-Point Challenge Answer
- E41: Suicide Space Robots
- E40: Zero-Point Energy Demystified
- E39: The Vacuum Catastrophe
- E38: The Missing Mass Mystery
- E37: The Nature of Nothing
- E36: Absolute Cold
- E35: When Quasars Collide STJC
- E34: Are the Fundamental Constants Changing?
- E33: The Future of Space Telescope
- E32: Neutron Stars Collide in New LIGO Signal?
- E31: White Holes
- E30: First Detection of Life
- E29: Extraterrestrial Superstorms
- E28: The One-Electron Universe
- E27: Dark Flow
- E26: The Secrets of Feynman Diagrams
- E25: The Real Star Wars
- E24: Solving the Impossible in Quantum Field Theory
- E23: Feynman's Infinite Quantum Paths
- E22: The First Quantum Field Theory
- E21: Anti-Matter and Quantum Relativity
- E20: Supervoids vs Colliding Universes!
- E19: The Fate of the First Stars
- E18: Martian Evolution
- E17: The Great American Eclipse
- E16: Are We Living in an Ancestor Simulation?
- E15: Are You a Boltzmann Brain?
- E14: The Oh My God Particle
- E13: Telescopes on the Moon
- E12: How Time Becomes Space Inside a Black Hole
- E11: Superluminal Time Travel + Time Warp Challenge Answer
- E10: Time Crystals!
- E9: The Race to a Habitable Exoplanet - Time Warp Challenge
- E8: The Treasures of Trappist-1
- E7: The Eye of Sauron Reveals a Forming Solar System!
- E6: Telescopes of Tomorrow
- E5: The Geometry of Causality
- E4: Why Quasars are so Awesome
- E3: The Phantom Singularity
- E2: The EM Drive: Fact or Fantasy?
- E1: How to See Black Holes + Kugelblitz Challenge Answer
Season 2016
- E48: Have They Seen Us?
- E47: Escape The Kugelblitz Challenge
- E46: What Happens at the Event Horizon?
- E45: Pilot Wave Theory and Quantum Realism
- E44: Strange Stars
- E43: Did Dark Energy Just Disappear?
- E42: Quantum Vortices and Superconductivity + Challenge Answers
- E41: The Many Worlds of the Quantum Multiverse
- E40: The First Humans on Mars
- E39: Black Holes from the Dawn of Time
- E38: Are We Alone? Galactic Civilization Challenge
- E37: Life on Europa?
- E36: Quantum Entanglement and the Great Bohr-Einstein Debate
- E35: Self-Replicating Robots and Galactic Domination
- E34: Is There a Fifth Fundamental Force? + Quantum Eraser Answer
- E33: Should We Build a Dyson Sphere?
- E32: Quantum Eraser Lottery Challenge
- E31: How the Quantum Eraser Rewrites the Past
- E30: Can We Survive the Destruction of the Earth? ft. Neal Stephenson
- E29: The Quantum Experiment that Broke Reality
- E28: The Future of Gravitational Waves
- E27: Juno to Reveal Jupiter's Violent Past
- E26: Nuclear Physics Challenge
- E25: Planck's Constant and The Origin of Quantum Mechanics
- E24: The Strange Universe of Gravitational Lensing
- E23: New Fundamental Particle Discovered?? + Challenge Winners!
- E22: Is Quantum Tunneling Faster than Light?
- E21: Is an Ice Age Coming?
- E20: Anti-gravity and the True Nature of Dark Energy
- E19: The Cosmic Conspiracy of Dark Energy Challenge Question
- E18: Will Starshot's Insterstellar Journey Succeed?
- E17: What Does Dark Energy Really Do?
- E16: Why the Universe Needs Dark Energy
- E15: Will the Universe Expand Forever?
- E14: We Are Star Stuff
- E13: Pulsar Starquakes Make Fast Radio Bursts? + Challenge Winners!
- E12: How Cosmic Inflation Flattened the Universe
- E11: Why is the Earth Round and the Milky Way Flat?
- E10: Cosmic Microwave Background Challenge
- E9: What's Wrong With the Big Bang Theory?
- E8: Why the Big Bang Definitely Happened
- E7: Planet X Discovered?? + Challenge Winners!
- E6: LIGO's First Detection of Gravitational Waves!
- E5: Will Mars or Venus Kill You First?
- E4: The Origin of Matter and Time
- E3: The Photon Clock Challenge
- E2: When Time Breaks Down
- E1: The True Nature of Matter and Mass
Season 2015
- E43: The Higgs Mechanism Explained
- E42: How to Build a Black Hole
- E41: 100 Years of Relativity + Challenge Winners!
- E40: 5 Ways to Stop a Killer Asteroid
- E39: Challenge: Can you save Earth from a Killer Asteroid?
- E38: Why Haven't We Found Alien Life?
- E37: Is The Alcubierre Warp Drive Possible?
- E36: Have Gravitational Waves Been Discovered?!?
- E35: 5 REAL Possibilities for Interstellar Travel
- E34: The Speed of Light is NOT About Light
- E33: What Happens At The Edge Of The Universe?
- E32: Does Dark Matter BREAK Physics?
- E31: Watch THIS! (New Host + Challenge Winners)
- E30: Do Events Inside Black Holes Happen?
- E29: Challenge: Which Particle Wins This Race?
- E28: What Physics Teachers Get Wrong About Tides!
- E27: General Relativity & Curved Spacetime Explained!
- E26: SPECIAL ANNOUNCEMENT + Flat Spacetime Geometry Comments
- E25: Can You Trust Your Eyes in Spacetime?
- E24: The Leap Second Explained
- E23: Curvature Demonstrated + Comments
- E22: Can a Circle Be a Straight Line?
- E21: The Calendar, Australia & White Christmas
- E20: How to Signal Aliens
- E19: Challenge: What Happens to a Helium Balloon in Freefall?
- E18: Is Gravity An Illusion?
- E17: Habitable Exoplanets Debunked!
- E16: The Real Meaning of E=mc²
- E15: 9 NASA Technologies Shaping YOUR Future
- E14: Should the First Mars Mission Be All Women?
- E13: What's the Most Realistic Artificial Gravity in Sci-Fi?
- E12: Are Space and Time An Illusion?
- E11: Could NASA Start the Zombie Apocalypse?
- E10: How to Weigh a Fart
- E9: Could You Fart Your Way to the Moon?
- E8: Is the Moon in Majora’s Mask a Black Hole?
- E7: Cosmic Microwave Background Explained
- E6: Can A Starfox Barrel Roll Work In Space?
- E5: What Will Destroy Planet Earth?
- E4: Should We Colonize Venus Instead of Mars?
- E3: How Do You Measure the Size of the Universe?
- E2: Is It Irrational to Believe in Aliens?
- E1: What Planet is Super Mario World?
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PBS Space Time
10.0
07 October 2026
·
Documentary, Talk
·
mins
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.
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Matthew O’DowdSelf - Host
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