Universe Today podcasts with Fraser Cain
Space and astronomy news from Fraser Cain, Publisher of Universe Today
We found 10 episodes of Universe Today podcasts with Fraser Cain with the tag “astronomy”.
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Episode 756: Q&A 154: How Big are Meteors? And More...
September 20th, 2021 | 36 mins 6 secs
astronomy, space, space exploration
The new season has begun! We're back with an all-new series of question shows. In this week's episode, I provide a quick guide to seeing fireballs (bolides), which are the brightest meteors you can see (and sometimes hear). I explain the philosophy behind Dyson Spheres, and explain why dark matter can't be made out of antimatter.
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Episode 758: Interview: Dr. Hamsa Padmanabhan, Peering into the Cosmic Dawn
September 20th, 2021 | 58 mins 7 secs
astronomy, space, space exploration
My guest today is Dr. Hamsa Padmanabhan, a cosmologist at the University of Geneva. Dr. Padmanabhan's work involves the investigation of Cosmic Dawn, the period shortly after the beginning of the Universe when the large-scale structure of the cosmos was defined.
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Episode 757: Interview: Dr. Markus Janson, Starshades for Ground Telescopes
September 20th, 2021 | 54 mins 48 secs
astronomy, space, space exploration
My guest today is Dr. Markus Janson, an astronomy professor at Stockholm University. Dr. Janson and his co-authors have recently published a study investigating if ground-based observatory could use starshades to help directly image exoplanets.
https://link.springer.com/article/10.1007%2Fs10686-021-09792-y
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Episode 755: Q&A 153: How High Can Bacteria Survive? And More...
July 22nd, 2021 | 37 mins 20 secs
astronomy, space, space exploration
In the season finale of my questions show, I talk about high-altitude bacteria, traveling into the future, does it make sense to go back to University, and more. See you all in September!
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Episode 754: Q&A 152: Could We Detect Dyson Swarms? And More...
July 5th, 2021 | 33 mins 3 secs
astronomy, space, space exploration
In this week's questions show, I explain why Dyson Spheres (and Swarms) should actually be pretty easy to detect across the Universe. If it's possible to service the Hubble Space Telescope with a Falcon 9, and will computers take jobs away from astronomers.
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Episode 752: Q&A 151: Would They Warn Us About the End of the World? And More...
June 24th, 2021 | 32 mins 44 secs
astronomy, space, space exploration
In this week's questions show, I explain what would happen if scientists discovered an existential threat to humanity. Would they let us know, or keep it secret to avoid a panic? Could we detect a Breakthrough Starshot fleet coming our way? And how well does China communicate its space exploration to the public?
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Episode 753: Interview: Prof. Lee Cronin - Detecting the Chemistry of Life
June 24th, 2021 | 57 mins 9 secs
astronomy, space, space exploration
My guest today is Professor Lee Cronin from the University of Glasgow. Dr. Cronin investigates the chemistry of life and has developed methods that could help us detect it on other worlds - even life as we don't know it.
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Episode 751: Q&A 150: What is Space Dust, Anyway? And More...
June 16th, 2021 | 36 mins 27 secs
astronomy, space, space exploration
In this week's questions and answer show, I explain how all the dust in space forms, could life be Von Neumann probes, why do people think black holes lead to another universe, and more...
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Episode 750: Q&A 149: What if a Microscopic Black Hole Passed Through the Earth? And More...
June 9th, 2021 | 35 mins 48 secs
astronomy, space, space exploration
In this week's Q&A, I try to imagine what might happen if a microscopic black hole passed through the Earth. How long will James Webb take to become operational, and what will be the Plan B for James Webb if it fails?
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Episode 749: Q&A 148: How Do We Know the Age of the Universe? And More...
June 1st, 2021 | 34 mins 47 secs
astronomy, space, space exploration
In this week's episode, I talk about the various ways we measure the age of the Universe. What's next for OSIRIS-REx? And what are the next frontiers for gravitational wave astronomy?