Universe Today Podcast

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Episode 456: QA 66: What If SpaceX Went Bankrupt? and More... Aug 14, 2018

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In this week's questions show, I wonder what would happen if SpaceX failed as a company, why New Horizons can't search for Planet 9, and I ask for your suggestions for new names to call dark matter and dark energy.

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Episode 455: Open Space 16: Live QA with Professor Avi Loeb, Breakthrough Starshot Aug 13, 2018

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Professor Avi Loeb is one of the hardest working astrophysicists in the field, writing a blistering number of academic papers on fascinating topics like the Fermi Paradox, the habitability of other worlds, black holes, and the history of the early universe. He's also one of the people working on the Breakthrough Starshot project to send tiny probes to other star systems.

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Episode 454: Open Space 15: Live QA with David Brin Aug 06, 2018

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On this week's live QA, I got a chance to talk with David Brin, a science fiction author, futurist, and an advisor for NASA's Innovative Advanced Concepts awards. David and I talked about the Transparent Society, why we should go to asteroids before the Moon or Mars, and some cool ideas coming out of NIAC.

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Episode 453: Open Space 14: Prof. Brad Peterson and LUVOIR Jul 30, 2018

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This week Professor Brad Peterson joins me to talk about the capability of the LUVOIR telescope, which is one of the next generation space telescopes NASA is considering as part of its new Decadal Survey.

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Episode 452: QA 65: Is Dark Matter Really Real? And More Jul 25, 2018

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In this week's QA, I explain why dark matter is really a thing, and not just some made up thing by evil astronomers. How event horizons flatten out when they spin, what kind of scientist I'd want to be, and if you could build a ladder to space.

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Episode 451: Open Space 13: Live QA with Fraser Cain Jul 23, 2018

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Just me again, back from Australia answering live questions about the Universe.

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Episode 450: 360 - Missing Baryonic Mass in the Universe... Found! Jul 14, 2018

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Astronomers have finally solved one of the outstanding mysteries in cosmology. Forget about all the dark matter and dark energy, where’s all the missing regular mass in the Universe? This has been called the “missing baryon problem”.

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Episode 449: QA 64: What If The Milky Way Lost Its Black Hole? And More... Jul 12, 2018

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In this week's question's show, I answer what would happen if the Milky Way lost its supermassive black hole, why can't you spiral stuff into the Sun, why do we assume life breathes oxygen?

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Episode 448: 359 - Space Navigation. Finding Your Way in the Cosmos Jul 11, 2018

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Until we learned to properly navigate our way across the oceans, early explorers were fearful to lose sight of land in case they’d be lost at sea. They learned to use the water currents, winds, movements of birds and of course, the positions of the Sun, the Moon and the stars to find their way across the seas to distant lands. As we learned to launch spacecraft into orbit and out into the Solar System, mission planners needed to develop entirely new methods of navigation.

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Episode 447: QA 63: Why Can't We Find Planet 9? And More... Jul 06, 2018

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In this week's episode, I explain why you can't just calculate the position of Planet 9, why we don't use parachutes to retrieve boosters, and if we can wait 100 million years to see the Great Attractor.

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