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PODCAST

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. For all business inquiries and sponsorship opportunities please reach out to: pbsspacetime@lighthouseagents.com Matt O"Dowd spends his time studying the universe, especially really far-away things like quasars, super-massive black holes, and evolving galaxies. He uses telescopes in space to

science astronomy

All Episodes

15:04

The Most Important Satellite You’ve (Probably) Never...

PBS Space Time ·

2026/03/15

Remove your personal information from the web at https://joindeleteme.com/SPACETIME One of the most important reasons we go to space is to know our own planet better. Today I'm going to tell you about an orbiting facility that literally watches Earth's biosphere breath and grow and die with incredible resolution. I'll talk about its profound existential and economic importance, and about why it's in danger of being lost. PBS Member Stations rely on viewers like you. To support your local station,

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20:37

At What Point Does Spacetime Become Quantum?

PBS Space Time ·

2026/03/15

Learn More About Anydesk: https://anydesk.com/spacetime To observe the quantum nature of gravity and of spacetime itself, we need a particle collider the size of the solar system. Or we could just physics smarter and build one on a lab bench. Here’s how. Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Check out the Space Time Merch Store https://www.pbsspacetime.com/shop Sign up for the mailing list to get episode notifications and hear special

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21:15

Why Life on Mars Will DOOM Humanity

PBS Space Time ·

2026/03/14

Click this link: https://www.boot.dev/?promo=spacetime and use my code SPACETIME to get 25% off your first payment for boot.dev Recent findings have brought us closer than we’ve ever been to confirming life beyond the Earth. As we wait for confirmation or otherwise, let’s think about what this will tell us about life everywhere, and also about our own imminent destruction. Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Check out the Space Time

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25:26

We Were WRONG About the Quantum Eraser! ft....

PBS Space Time ·

2026/03/13

Thank you to Cyber GhostVPN for Supporting PBS. Learn More About Cyber GhostVPN: https://cyberghostvpn.com/PBSSpaceTime Does quantum mechanics allow the future to retroactively influence the past, as in the infamous delayed choice quantum eraser experiment? How about we get an actual quantum physicist--who many of you already know--to show us how to do this experiment at home, and hopefully set this matter to rest. Check Out Looking Glass Universe:

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21:50

Why Antimatter Engines Could Launch In Your Lifetime

PBS Space Time ·

2026/03/12

Thanks to Displate for sponsoring the video. Get a great Displate deal using my link https://displate.com/l/spacetime or my discount code spacetime Discounts: 1-2 Displate: 33%off 3+ Displates: 38% off Valid on Textra Not valid on Lumino and Limited Edition Antimatter drives sound like science fiction, but they may not be as far as you think. There’s a version that could, just maybe, launch within your lifetime. Sign Up on Patreon to get access to the Space Time

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23:25

The Gravity Particle Should Exist. So Where Is It?

PBS Space Time ·

2026/03/12

Head to https://brilliant.org/Spacetime/ to start learning for free. Plus, our viewers get 20% off an annual Premium subscription for unlimited daily access to everything Brilliant has to offer Physics is this close to understanding the entire universe. And what lives in this gap? Many physicists think it’s the elusive graviton—the quantum particle of gravity—whose discovery will finally allow us to stitch together our two great theories of nature into a single master theory. But what is the

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23:21

Do We Live in the Rarest Solar System In The...

PBS Space Time ·

2026/03/11

To learn more visit: https://hensonshaving.com/pbs and use code spacetime to get 100 blades for free with your purchase of a Henson Razor. Add both products to your cart for the code to take effect! There are lots of reasons to search for planets around other stars—exoplanets. A big one is to find other places in the universe that might harbor life. We only know of one such planet so far: Earth. And so we get particularly excited when we find Earth-mass planets at the right distance from their star

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27:14

Heisenberg Made a Discovery in 1925. We Still Can't...

PBS Space Time ·

2026/03/10

For 72 hours, enjoy 15% OFF on all Hoverpens with code PBS, or click on the link https://noviumdesign.shop/PBS - Free shipping to most countries. Also on Amazon: https://noviumdesign.shop/crQH4A 2025 is … was the international year of quantum science and technology. Yes because quantum tech is increasingly important, but especially because quantum mechanics was invented 100 years ago this year. In 1925, our strangest true theory went from being a peculiar set of ideas to describe some funny

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98:18

Black Holes. Explained. For 1.5 Hours.

PBS Space Time ·

2026/03/09

Black holes are not just the strangest objects in the universe, they're the sharpest test we have of how reality actually works. This episode explores how these extreme cosmic laboratories force general relativity and quantum physics into direct confrontation. We look back through a decade of content to understand their formation and the theoretical diagrams that describe them, offering a journey through the profound implications of these celestial objects for our understanding of space time and

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20:19

The Universe Itself Might Be Hiding the Gravity...

PBS Space Time ·

2026/03/09

Head to https://brilliant.org/Spacetime/ to start learning for free for 30 days. Plus, our viewers get 20% off an annual Premium subscription for unlimited daily access to everything Brilliant has to offer. To progress to the next level in understanding reality, we need to combine quantum mechanics and Einstein’s general relativity. And to do that, most physicists believe we need a theory of quantum gravity .. which means we need gravitons. But it also seems like the laws of physics make it

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20:19

The Universe Itself Might Be Hiding the Gravity...

PBS Space Time ·

2026/03/08

Head to https://brilliant.org/Spacetime/ to start learning for free for 30 days. Plus, our viewers get 20% off an annual Premium subscription for unlimited daily access to everything Brilliant has to offer. To progress to the next level in understanding reality, we need to combine quantum mechanics and Einstein’s general relativity. And to do that, most physicists believe we need a theory of quantum gravity .. which means we need gravitons. But it also seems like the laws of physics make it

en

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