Universe Today Podcast

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Episode 486: 371: Oldest Rock From Earth Was Found On The Moon (Of All Places) Feb 02, 2019

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Geologists think they’ve found the oldest Earth rock ever seen. And they found it in one of the last places you’d ever suspect, on the Moon. When the Apollo 14 astronauts returned their lunar samples back to Earth, they were carrying one rock that had formed on Earth 4 to 4.1 billion years ago, which was carved out of our planet during the time of intense bombardment and delivered to the Moon.

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Episode 485: QA77: Constant Acceleration For Artificial Gravity? And More... Featuring Astroathens Jan 30, 2019

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In this week's Questions Show, I wonder if there's a way ion engines can give us artificial gravity, if electromagnetic rail guns can launch space craft, and should we be worried about returning alien pathogens back to Earth?

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Episode 484: Open Space 24 - Going The Speed of Light With Dr. Paul Sutter Jan 29, 2019

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Today I hang out with astrophysicist Dr. Paul Sutter to talk about space and his new book, Your Place in the Universe.

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Episode 483: 370: Can There Be Life On Planets Around Red Dwarf Stars? Jan 23, 2019

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As astronomers find more and more planets around other stars, the big question we want to know is: are they habitable, could there be life there?

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Episode 482: QA 76: Can You Come To A Dead Stop In Space? And More... Featuring Launch Pad Astronomy Jan 22, 2019

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In this week's QA, I answer if it's possible to come to a dead stop, will Mars be more habitable when the Sun expands as a red giant, is there a stellar mass black hole nearby, and more...

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Episode 481: Open Space 23 - Space and Futurism With Isaac Arthur Jan 21, 2019

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In this week's live QA, I sit down with Isaac Arthur. He talks about the challenges of futurism, how he creates so much amazing content, and a new suggestion for the Prime Directive: Don't Be a Jerk.

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Episode 480: 369: Many New Fast Radio Bursts Found, Including Another Repeater Jan 17, 2019

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One of the big mysteries in astronomy is unfolding right before our eyes: fast radio bursts. And now a new Canadian radio telescope has come online, detecting many new bursts, including the second ever seen repeating.

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Episode 478: Open Space 22: Photonic Propusion, Canada in Space, Big or Small Rockets, and More... Jan 15, 2019

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This week's Live QA was just me, no guest. Which gave us lots of time to get into your questions. We talked about photonic propulsion systems, the future of small rockets and whether space elevators will work better on the Moon or Mars.

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Episode 479: QA 75: Have We Already Infected Mars with Bacteria? And More... Jan 15, 2019

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In this week's questions show, I wonder if we've already infected Mars with our Earth life, why we assume aliens build Dyson Spheres, and if you could link up 5 Hubble telescopes together.

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Episode 477: 368: Searching for Technosignatures. Evidence of Intelligent Alien Civilizations Jan 10, 2019

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Are we alone in the Universe? It’s one of the most difficult and important questions that humanity can ask. As Arthur C. Clarke noted, it’s equally terrifying whether the answer is yes or no.

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