For more info on the podcast, please see our About page.

Feature Guest: Jay Melosh

If we should find creatures crawling around Titan or swimming under the ice sheets of Europa or Enceladus, they will almost certainly turn out to be the result of a second genesis, those creatures truly alien in the most profound sense. That startling conclusion follows from a series of groundbreaking simulation that found it exceedingly unlikely that life can be successfully transferred between the worlds of our solar system. To unpack the significance of this conclusion, today we’re joined here at The Star Spot by geophysicist Jay Melosh, who caused an uproar when he presented his findings at a recent meeting of the American Geophysical Union.

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How to Listen to the Show

 

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The Star Spot is also broadcast on The Scope at Ryerson. The show airs every Sunday at 8:00PM and Tuesday at 6:00PM Eastern Time. Listen live here.

 

If you have interesting news and story ideas, as well as topics or potential interview guest, please send them to info@thestarspot.ca

 

Support The Star Spot

 

The Star Spot is a nonprofit, volunteer-run organization. We operate with lots of love and a passion for astronomy, but that doesn’t quite cover all of our needs all of the time. Costs from web hosting, recording space, speaker fees, conference coverage and printing flyers, posters, business cards and the like do add up. Patreon is a simple way that fans of the show can contribute to the podcast every month and get some great rewards in return. If you’d like to see us continue to grow and continue to put out great content please consider helping us out. Our annual expenses total at about $10,000, and every little bit helps.

 

If you’d like to know exactly where your money is going, ask us, and we’ll be glad to share the information. Alternatively, get involved with The Star Spot and have a say in it yourself!

For more info on the podcast, please see our About page. Feature Guest: Shelley Sweeney

The University of Manitoba has just acquired the largest collection of UFO related material. Prominent Canadian ufologist Chris Rutkowski has made a donation of over 30,000 documents, photos, artifacts and government reports, including files relating to the famous 1967 Falcon Lake Incident, involving a purported physical contact with a mysterious craft. Whether you’re intrigued by the phenomenon of belief or you believe in the phenomenon, the extraordinary human effort to address the UFO question is worth our attention, argues Shelley Sweeney, Head of Archives & Special Collections at the University of Manitoba, who joins us here at The Star Spot.

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For more info on the podcast, please see our About page.

Feature Guest: Lachlan Lancaster

Quantum mechanics is strange. Until recently we could comfort ourselves with the belief that its odd properties were safely confined to the world of the microscopic. But what if quantum mechanical effects were suddenly magnified to cosmological scales. Imagine the quantum mechanical interference pattern spread across clusters of galaxies. That’s a possibility, according to a new theory of dark matter known as fuzzy dark matter, which imagines dark matter particles as being incredibly minuscule but with astrologically large wavelengths. How can we prove whether this fascinating new theory is correct? Do these ultra small particles give us clues to mysterious string theory? And what does all this mean about the past, present and future of the universe? Today we’re joined here at The Star Spot by Lachlan Lancaster, co-author of a new paper that sheds light on these questions.

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The Star Spot is now on the Radio!

For more info on the podcast, please see our About page.

Feature Guest: William Rapin

Welcome to Sutton Island, here in the middle of a beautiful and rugged landscape consisting of shallow lakes filled with salts and minerals. It’s a common vista on this world, and while the world in question is not our home, ancient Mars may well have been someone’s home. Today we’re joined here at The Star Spot by William Rapin, with reports from the latest discoveries of the Mars Curiosity rover and why one of the Principal Investigators of NASA’s Viking mission is now convinced we found life on Mars back in the 1970s.

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Amelia and Tony share exciting news: the most powerful radio dish telescope in the world will soon be ready for widespread astronomical use! Then Joseph excites even more with a stunning discovery: the presence of water in the atmosphere of an exoplanet, making it the most prominent target yet in the search for habitable worlds. And once again on the subject of habitable worlds, in her debut, Dunja wonders if the size of planets matters to their potential for being habitable. Finally, Amelia and Priyanka report on a remarkable new technique for estimating the mass of black holes!

The Star Spot is now on the Radio!

William Rapin is postdoctoral scholar in the Division of Geological and Planetary Sciences at Caltech. His research investigates the surface geochemistry of planets to improve our understanding of their origin, evolution, and habitability. Previously he worked as Research Assistant at NASA Ames Research Centre and was Assistant System Engineer with the Centre National d’Études Spatiales

For more info on the podcast, please see our About page.

Feature Guest: Sherry Suyu

The Hubble constant, which measures the expansion rate of the cosmos, may not be a constant after all, and if that’s true it means we’re missing something big in our understanding of the universe. Today we’re joined here at The Star Spot by Sherry Suyu, who leads the aptly named H0LiCOW project which uses the phenomenon of gravitationally lensed quasars to measure the expansion rate of the universe.

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Tony reports on a fascinating yet circumstantial finding that suggests a world literally on fire is out there, and it may excite fans of the Star Wars franchise. Then Amelia and Tony break down a study hinting at the existence of exoplanets that may be even more habitable than Earth! 

The Star Spot is now on the Radio!

Star Spot podcast is now The Star Spot podcast and radio show. That’s right. Your favourite astronomy program is now travelling through space, specifically the 1280AM frequency. Our broadcaster, CJRU The Scope at Ryerson, is now available on the radio dial, which means you can join us at The Star Spot at 1280AM every Sunday 8PM and Tuesday 6PM Eastern Time. Visit http://www.thescopeatryerson.ca/ to learn more about our partner radio station.

For more info on the podcast, please see our About page.

Feature Guest: Jorge Zuluaga

Astronomers have yet to confirm a single detection of an exomoon, that is a moon orbiting a planet outside our solar system. Now it turns out at least part of the explanation is that we may have been looking in the wrong place all this time. Introducing ploonets. No, I did not just mispronounce the word planet. Today we’re joined here at The Star Spot by Jorge Zuluaga, whose team coined the name to describe a moon that has gone rogue, and while it may sound exotic, a speculative theory posits that ploonets could have played a key role in the evolution of our very own planet.    

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Tony is back with an exciting discovery made in fresh snow in Antarctica: an isotope that can only have been manufactured in one place – the infernal heart of a supernova. Then Joseph and Tony once again ask the cosmic question: what are fast radio bursts, or FRBs, as eight more repeating FRBs have been detected in deep space, and we just may be on the cusp of solving the mystery. Finally, Amelia and Tony talk about a glitch. A software glitch? No. A neutron star glitch!

The Star Spot is now on the Radio!

Star Spot podcast is now The Star Spot podcast and radio show. That’s right. Your favourite astronomy program is now travelling through space, specifically the 1280AM frequency. Our broadcaster, CJRU The Scope at Ryerson, is now available on the radio dial, which means you can join us at The Star Spot at 1280AM every Sunday 8PM and Tuesday 6PM Eastern Time. Visit http://www.thescopeatryerson.ca/ to learn more about our partner radio station.

For more info on the podcast, please see our About page.

Feature Guest: Vikram Ravi

They come to us from deep space. They last a tiny fraction of a second. They contain as much energy as the sun’s total output in 80 years. Yet we still haven’t figured out what causes these so-called Fast Radio Bursts or FRBs. I don’t want to say it’s aliens, but, no, it’s probably not aliens. Today we’re joined here at The Star Spot by Professor Vikram Ravi whose team is quickly zeroing in on the origin of these bizarre FRBs.

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Amelia and Tony explain new research stating that worlds with completely frozen oceans, fittingly known as snowball planets, may actually be habitable . . . on the surface! And while the peak of the prolific Perseid meteor shower may have already passed, Simon reminds us that it’s still not entirely over, and to get out there and take a look while you still can. Finally, robots are on the International Space Station! Joseph and Tony explain the purpose of three artificial helpers floating in the orbiting laboratory, one of which arrived only in late July.

The Star Spot is now on the Radio!

Star Spot podcast is now The Star Spot podcast and radio show. That’s right. Your favourite astronomy program is now travelling through space, specifically the 1280AM frequency. Our broadcaster, CJRU The Scope at Ryerson, is now available on the radio dial, which means you can join us at The Star Spot at 1280AM every Sunday 8PM and Tuesday 6PM Eastern Time. Visit http://www.thescopeatryerson.ca/ to learn more about our partner radio station.

For more info on the podcast, please see our About page. Feature Guest: Dan Falk

Scientists are finding themselves increasingly squeezed between academics sounding the limits of science and a public increasingly taken in by pseudoscience and conspiracy theories. Today we conclude our review of science under attack with science writer Dan Falk.

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NASA is looking to make space exploration a little greener, and Joseph and Tony report on their latest invention: an environmentally-friendly spacecraft fuel that may eventually replace hydrazine, the toxic industry standard for decades. Then Simon terrifies us with the fact that mere days ago, an asteroid nearly hit Earth. Finally Amelia and Tony explain a strange feature found around lakes on Titan.

The Star Spot is now on the Radio!

Star Spot podcast is now The Star Spot podcast and radio show. That’s right. Your favourite astronomy program is now travelling through space, specifically the 1280AM frequency. Our broadcaster, CJRU The Scope at Ryerson, is now available on the radio dial, which means you can join us at The Star Spot at 1280AM every Sunday 8PM and Tuesday 6PM Eastern Time. Visit http://www.thescopeatryerson.ca/ to learn more about our partner radio station.

For more info on the podcast, please see our About page. Feature Guest: Dan Falk

Today we’re joined here at The Star Spot by science writer Dan Falk.

We’ll start today’s interview with a commemoration of the 50th anniversary of the landing of humans on the moon and the internationalism of that critical moment. But then, 50 years after this triumph of science, we’re going to confront head on a set of old and new challenges to the scientific enterprise itself.

All the fascinating research and discoveries we share at The Star Spot rests on basic assumptions about the primacy, scope and universality of science. In this two episode series, we take a step back and wrestle with some uncomfortable questions.

What if the fundamental reality we probe is merely a simulation? Does science harbour blind spots that will forever limit its ability to build a theory of everything? And even if science is supreme, can it contend with conspiracy theories and pseudoscience – like the moon landing hoax belief – that undermine its legitimacy in the eyes of the wider public.

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Tony explain a remarkable finding from the Curiosity rover on Mars: it’s detected the biggest emission of methane on the red planet yet. Then Simon delves into the subject of a black hole so unusual that it shouldn’t exist at all! And Amelia and Tony report on a new instrument that’s being used to hunt for exoplanets in the Alpha Centauri system.

The Star Spot is now on the Radio!

Star Spot podcast is now The Star Spot podcast and radio show. That’s right. Your favourite astronomy program is now travelling through space, specifically the 1280AM frequency. Our broadcaster, CJRU The Scope at Ryerson, is now available on the radio dial, which means you can join us at The Star Spot at 1280AM every Sunday 8PM and Tuesday 6PM Eastern Time. Visit http://www.thescopeatryerson.ca/ to learn more about our partner radio station.

For more info on the podcast, please see our About page. Feature Guest: Brian Schmidt

Today we offer a best of from our vault here at The Star Spot. We dug back to a fan favourite, our December 2014 interview with Nobel laureate Brian Schmidt, who won the biggest prize in science for discovering the accelerating universe. 

The 1929 discovery of the expanding universe by Edwin Hubble forever changed our picture of the cosmos and our understanding of our place in the universe. In 1998 we learned that wasn’t the only surprise. That’s when two teams of astronomers announced that the expansion of our universe isn’t slowing down as everyone assumed. Its speeding up. Today we’re joined at The Star Spot by Distinguished Professor Brian Schmidt who won the Nobel Prize for discovering our accelerating universe.

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Tony and Amelia discuss a new finding from the ALMA observatory: a cool ring of gas encircling the supermassive black hole at the center of the Galaxy. Then Simon pulls you in with the measurement of a tiny black hole at the center of a nearby dwarf galaxy. And finally Tony returns with breaking news from the Jovian satellite system: Sodium chloride, aka table salt, has been found on none other than the ice-covered ocean moon Europa!

The Star Spot is now on the Radio!

Star Spot podcast is now The Star Spot podcast and radio show. That’s right. Your favourite astronomy program is now travelling through space, specifically the 1280AM frequency. Our broadcaster, CJRU The Scope at Ryerson, is now available on the radio dial, which means you can join us at The Star Spot at 1280AM every Sunday 8PM and Tuesday 6PM Eastern Time. Visit http://www.thescopeatryerson.ca/ to learn more about our partner radio station.