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.
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Episodes
SpecialsSeason 1Season 2015Season 2016Season 2017Season 2018Season 2019Season 2020Season 2021Season 2022Season 2023Season 2024Season 2025Season 2026
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1. The NEW SCIENCE of Moon Formation2023-01-11 · 21mEinstein once asked whether “the moon exists only when I look at it?". It was rhetorical objection to the idea that measurement in quantum mechanics causes reality to become real.
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2. What If The Universe Is Math?2023-01-18 · 18mIn his essay “The Unreasonable Effectiveness of Mathematics”, the physicist Eugine Wigner said that “the enormous usefulness of mathematics in the natural sciences is something bor
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3. What If Alien Life Were Silicon-Based?2023-01-26 · 22mLife as we know it is carbon-based, but does it have to be this way? There’s another element on the periodic table that shares some of the key properties of carbon but is far more
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4. How Earth REALLY Moves Through the Galaxy2023-02-08 · 20mPerhaps you’ve seen videos of how the planets of the solar system move through the universe in this cool helix. Not only are these misleading, but the Earth’s real motion - YOUR mo
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5. How Does The Nucleus Hold Together?2023-02-15 · 16mTwo protons next to each other in an atomic nucleus are repelling each other electromagnetically with enough force to lift a medium-sized labradoodle off the ground. Release this e
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6. What If Space And Time Are NOT Real?2023-02-23 · 26mPhysics progresses by breaking our intuitions, but we’re now at a point where further progress may require us to do away with the most intuitive and seemingly fundamental concepts
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7. What’s Your Brain’s Role in Creating Space & Time?2023-03-15 · 17mPhysics is the business of figuring out the structure of the world. So are our brains. But sometimes physics comes to conclusions that are in direct conflict with concepts fundamen
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8. What If Black Holes ARE Dark Energy?2023-03-22 · 17mWe tend to imagine there are connectings between things that we don’t understand. Quantum mechanics and consciousness, aliens and pyramids, black holes and dark matter, dark matter
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9. How Much Of The Universe Can Humanity Ever See?2023-03-29 · 18mThere’s an absolute limit to our access to the universe beyond our own galaxy. There’s a limit to what we can ever hope to explore or send signals to, and a very different limit to
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10. How Far Beyond Earth Could Humanity Spread?2023-03-12 · 17mWe humans have always been explorers. The great civilizations that have arisen across the world are owed to our restless ancestors. These days, there’s not much of Earth left to ex
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11. NEW DISCOVERY About Supermassive Black Holes Explained!2023-03-20 · 15mAstrophysicists have discovered a black hole that for millions of years has been blasting vast particle beams in opposite directions across the sky. And has recently swiveled to po
- 12 12. Understanding One of Physics' Most Challenging Topics!2023-05-11 · 16mIf I roll a pair of dice and you get to bet on one number, what do you choose? The smart choice is 7 because there are more ways for 2 dice to come up 7 than any other number. Well
- 13 13. Finding Alien Spacecraft with Gravitational Waves2023-05-17 · 17mWhenever we open a new window on the universe, we discover things that no one expected. Our newfound ability to measure ripples in the fabric of spacetime—gravitational waves—is a
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14. Is 'Perpetual Motion' Possible with Superfluids?2023-05-24 · 18mThe weird rules of quantum mechanics lead to all sorts of bizarre phenomena on tiny scales— particles teleporting through walls or being in multiple places at once or simultaneousl
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15. Can We Move PLANET EARTH Across the Universe?2023-05-31 · 13mInterstellar travel is horrible-what with the cramped quarters of your spaceship and only the thin hull separating you from deathly cold and deadly cosmic rays. Much safer to stay
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16. What Supernova Distance Would Trigger Mass Extinction?2023-06-14 · 17mThe deaths of massive stars results in one of the most beautiful and violent events in the universe: the supernova. They are so luminous we can see them here on Earth and historica
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17. Did AI Prove Our Proton Model WRONG?2023-06-21 · 17mThe humble proton may seem simple enough, and they’re certainly common. People are made of cells, cells are made of molecules, molecules are made of atoms, atoms are made of electr
- 18 18. Does Axionic Dark Matter Bind Galaxies Together?2023-06-28 · 15mQuantum mechanics is our best theory of the fundamental nature of reality, but it's usually only distinguishable from familiar classical mechanics on the smallest scales. However,
- 19 19. What If The Speed of Light is NOT CONSTANT?2023-07-19 · 21mOne of the most fundamental physics facts is that the speed of light in a vacuum is constant for all observers. But can we really be sure that the speed of light wasn’t different i
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20. Was the Gravitational Wave Background Finally Discovered?!?2023-07-26 · 17mA few weeks ago a large team of gravitational wave astronomers announced something pretty wild. The moderately confident detection of pervasive ripples in the fabric of space time
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21. Do We Need a NEW Dark Matter Model?2023-08-02 · 17mWe have no idea what dark matter is, other than it’s some source of gravity that is completely invisible but exerts way more pull that all of the regular matter. More than all of t
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22. Did JWST Discover Dark Matter Stars?2023-08-16 · 19mWe knew that the James Webb Space Telescope would find interesting stuff, especially about the mysterious early times. For example, there are hints that the galaxies we’re seeing
- 23 23. What If Space is NOT Empty?2023-08-24 · 16mSpacetime on its smallest scales is a seething ocean of black holes and wormholes flickering into and out of existence—or so many physicists think has to be the case. But why shoul
- 24 24. What NEW SCIENCE Would We Discover with a Moon Telescope?2023-09-13 · 21mIn order to see the faint light from objects in deepest space, astronomers go to the darkest places on the planet. In order to listen to their quite radio signals, they head as far
- 25 25. Are Room Temperature Superconductors IMPOSSIBLE?2023-09-20 · 18mSuperconductive materials seem miraculous. Their resistanceless flow of electricity has been exploited in some powerful ways—from super-strong magnets used in MRIs, particle accele
- 26 26. Are Pilot Wave & Many Worlds THE SAME Theory?2023-09-28 · 17mIt’s hard to interpret the strange results of quantum mechanics, though many have tried. Interpretations range from the outlandish—like the multiple universes of Many Worlds, to th
- 27 27. The Farthest Star Ever Seen!2023-10-12 · 16mTo understand where we came from—how earth, the solar system, the galaxy became what they are today—we need to understand the beginning of time. For example, how did the first gala
- 28 28. Why Did Attosecond Physics Win the NOBEL PRIZE?2023-10-19 · 13mWhenever we open a new window on the universe we discover something new. Whether it's figuring out how to see to greater distances like with telescopes, or down to smaller size-sca
- 29 29. How Will We (Most Likely) Discover Alien Life?2023-11-02 · 19m
- 30 30. What If Gravity is NOT Quantum?2023-11-09 · 19mThe holy grail of theoretical physics is to come up with a quantum theory of gravity. But after a century of trying we really have no idea how close we are, or it it's even possibl
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31. Does Many Worlds Explain Quantum Probabilities?2023-11-30 · 20mThe mystery of what happens when we go from a superposition to a definite state is known as the Measurement Problem, and it’s arguably the most mysterious outstanding problem in ph
- 32 32. What if Humans Are NOT Earth's First Civilization? | Silurian Hypothesis2023-12-07 · 20m
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33. What If There's A Black Hole Inside The Sun? | Hawking Stars2023-12-20 · 18m
Cast
Matthew O’DowdSelf - HostImages
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