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exocast

exocast
64 episodes
The exoplanet podcast

Disclaimer: the content and artwork of this podcast are the property of its owner and are not affiliated with nor endorsed by Audiotrails.

Exocast-51b: Interview with Mark Marley

In this episode the Exocast gang are privileged to be joined by veteran exoplaneteer Dr Mark Marley from NASA Ames. During a nearly hour-long discussion, we probe Mark’s experience of early exoplanet discovery and characterisation efforts in the 1990s, his work on clouds and atmospheric circulation…

Exocast-50c: Monthly Exoplanet News

In this month’s news rundown Hugh, Hannah, and Andrew provide a summary of three interesting papers that appeared on their radar during February/March 2021: Hugh takes a look at The Chemical link between stars and their rocky planets by Vardan Adibekyan and others. Andrew summarises Litholog…

Exocast-50b: Why do we study exoplanets?

In this months discussion Hugh, Hannah, and Andrew discuss the question: Why do we study exoplanets? The team take a look at their own personal motivation and how they each came study exoplanets, as well as diving into the technological applications of astronomy, and the philosophy behind the bi…

Exocast-49c: Monthly Exoplanet News

For the second news segment of 2021 Hannah, Hugh, and Andrew take on three papers that came out in Jan/Feb 2021 Hannah covers The Physics of Falling Raindrops in Diverse Planetary Atmospheres by Loftus & Wordsworth Hugh talks about Multi-Wavelength Photometry Derived from Monochromatic Kepler…

Exocast-49b: Interview with Diana Powell

On this months Exocast the team talks with cloud expert Diana Powell about her work studying the dust in protoplanetary disks through theoretical models of the micro-physics and applying that to clouds in the atmospheres of hot Jupiters. We also chat about her journey into astro, the year of Covid,…

Exocast-48c: Monthly Exoplanet News

For the first news segment of 2021 Hugh, Hannah, and Andrew talk through three papers from exoplanet science: Hugh covers the Direct confirmation of the radial-velocity planet β Pictoris c Hannah discusses 3D simulations of photochemical haze in the atmosphere of the hot Jupiter HD189733b A…

Exocast-48b: What is the point of the Habitable Zone!?

In this months episode Exocasters Hugh Osborn, Hannah Wakeford, and Andrew Rushby attempt to answer the question they posed last year: What is the point of the Habitable Zone? The term Habitable Zone is often thrown around by scientists, the media, and in the general public. But what does the te…

Exocast-47c: #ExoCup2020 the Summary

The #ExoCup2020 was full of wonderful and baffling surprises. The Exocast team take a look at what went on, which planets triumphed or failed, and what you did to bring this competition to life. This year’s competition was a true reflection of 2020. We had election fatigue bloom into campaig…

Exocast-47 b: The #Exocup2020 live draw!

In this special episode after a long summer break, the Exocast team performs the draw for the upcoming Exocup – the foremost exoplanetary competition in which 32 twitter polls will comprehensively and uncontroversially* decide on the world’s favourite exoplanet. * This may be wishful thinking

Exocast-46b: Interview with Moiya McTier

This month Hugh, Andrew, and Hannah talk to astrophysicist, folklorist, and science communicator Moiya McTier . Moiya is an NSF graduate researcher at Columbia University in New York City and works to understand exoplanets from a galactic perspective. The Exocast team talks to Moiya about work …

Exocast-46 d: Exoplanet News from May & June 2020

This month Hannah, Hugh, and Andrew go through the slew of exoplanet papers from discoveries, characterisation, and astrobiology including the following: Discoveries: Buzzword alert! A mini-Neptune and Venus-zone planet in the radius valley orbiting an M2 star has been validated with the Habita…

Exocast-45c: how many exoplanets are there?

In this episode, the team sits down to ponder the question how many exoplanets are there? At first, this might seem like a relatively straightforward question that can be answered by NASA’s Exoplanet Archive , but it becomes more daunting when considering, for example, the biases and limitation…

Exocast-45b: Special Guest Dr Baptiste Journaux

This month Andrew, Hannah, and Hugh chat with Dr Batiste Journaux (Research Associate in the Department of Earth and Space Science at the University of Washington) about all things icy and the role of different ices in our Solar System and exoplanets. Baptiste is a multidisciplinary scientist whos…

Exocast-45d – Exoplanet News: new discoveries, characterisations, and formation research

On Exocast-45d we bring you the news from across exoplanet research this month with new discoveries, characterisations, habitability and formation papers. In America, WFIRST has been renamed the Nancy Grace Roman Space Telescope in honour to the pioneering “Mother Hubble”, while in Europe the LI…

Exocast-44c: Can we ever image the surface of an exoplanet?

On this episode we ask the question: Can we ever image the surface of an exoplanet? Once we get all the definitions out of the way, like ‘what do we mean by map?’ and ‘what do we mean by surface?’, we take a deep dive into the realm of instrumentation to discuss the possibilities and limitations…

Exocast-44 d – April 2020’s exoplanet news

In this round-up of the month’s notable exoplanetary exploits, we cover all the headlines including: Proxima c (not) being directly imaged with Sphere – WASP-4b’s accelerating orbit – two new but very different sub-Saturn-mass planets – windspeed measurements on Brown Dwarfs – plus the influence of…

Exocast-44b: Special Guest Dr Sarah Casewell

This month Hannah, Hugh, and Andrew chat with Dr Sarah Casewell about her work on irradiated brown dwarfs. Sarah is an Earnest Rutherford Fellow at the University of Leicester where she has spent her career since undergrad. We chat all things brown dwarfs and what makes the irradiated ones so spe…

Exocast-43 d: Exoplanet news

In the final of three mini-exocasts we will release this month, we cover some of the notable happenings in exoplanet science over the past month. On this episode we cover new planets from the TESS mission , a novel technique for detecting exoplanets using radio emission , and the end of the ver…

Exocast-43c: Can we ever travel to an exoplanet?

On this episode we ask the question: Can we EVER travel to an exoplanet? This has two interpretations. First who is we, and second what does ever mean? To think about this question we discuss the sheer vastness of space and the distances to our nearest planets, the speeds we would need to achie…

Exocast-43b: Special Guest Natalia Guerrero

This month Hugh, Hannah, and Andrew chat with Natalia Guerrero , who works in the office of the Transiting Exoplanet Survey Satellite (TESS), which is run out of MIT’s Kavli Institute. Natalia is the manager of the TESS objects of interest (TOI) catalogue, part of the communications office, and w…

Exocast-42b: Special Guest Dr Stephen Kane

Our final bite-size episode for this month features Andrew, Hannah, and Hugh chatting with Dr Stephen Kane , Associate Professor of Planetary Astrophysics in the Departments of Earth and Planetary Sciences and Physics and Astronomy at the University of California, Riverside. Stephen tells us a …

Exocast-42c – Water in the Universe

In the second of three mini-casts this month, Hannah, Hugh, and Andrew gather around the virtual table to discuss that weird and wonderful molecule: H 2 O! The importance of water to our lives is undeniable, but in this show we chat about what makes water so chemically unusual and important in the …

Exocast-42 d – Exoplanet news

In the first of three mini-casts this month, we discuss all the recent exoplanet news from December 2019 & January 2020. That includes a temperate world around TOI-700d ; Proxima Centauri c ; three new planetary systems losing their atmospheres found with RVs; Circumbinary planets in Kepler …

Exocast-41b: Erin May from observing to theoretical GCMs, Strange stars, #ExoCup2019 and the News

0:03:12 – Hannah chats with Dr Erin May a postdoctoral researcher at JHU’s Applied Physics Lab about her transition from extragalactic research into exoplanets, running an observing campaign as a grad student, and how to apply global circulation models to small exoplanets. 0:23:54 – Hugh discu…

Exocast-40b: Brett Morris talks starspots & astrobiology, the #ExoCup2019 is underway, plus exoplanet news

Hugh chats with his colleague at the University of Bern Dr. Brett Morris about starspots and their effect on exoplanet detection and characterisation, his experience with an astrobiology mission right here on Earth, and he recounts an exciting day in Bern earlier this year. Andrew discusses the …

Exocast-39b: Paul Robertson talks RVs, the #ExoCup2019 live draw, plus the 2019 Nobel Prize

On the 39th episode of exocast: Andrew chats with UC Irvine’s radial velocity expert (and occasional planet-killer) Dr Paul Robertson in the Exocast Studio. Hannah outlines how the 2019 ExoCup is going to play out, and Hugh performs the draw for the first round “live” on air. And Hugh reports f…

Exocast-38b: Exoclimes V voxbox, NASA’s Flagship mission concepts, and exoplanet news

On this podcast : Hannah takes us to the Exoclimes V conference in Oxford to ask people what they most want to learn about outside of their area of study. Hugh details the four competing missions up for the NASA decadal: Lynx, Origins, HabEx, and LUVOIR And Andrew takes us through the most recent…

Exocast-37b: Live at TESScon, an intro to planetary protection, & the month in exoplanet news

Quizmaster Hugh takes to the conference hall at the 1st TESS Science Conference (TESSCon) to test the attendees’ exoplanet knowledge! Andrew compiles a (not very) top secret report-out on planetary protection. And Hannah covers this month’s news including the detection of an exoplanet magnetic fie…

Exocast-36b: Live at AbSciCon, plus Spectroscopy 101, and the Exoplanet News

On the 36th episode of exocast: Andrew roves the conference hall at the Astrobiology Science Conference. Hannah goes through the ABCs of spectroscopy, And Hugh covers this month’s news including new solar system missions Dragonfly & Comet Interceptor, new occurrence rates, plus the new exoplanet…

Exocast-35b: Special guest Tom Haworth, plus Exoplanet Direct Imaging

On the 35th episode of exocast we welcome special guest Dr Thomas Haworth into the virtual Exocast Studio. Hannah talks with special guest Dr Thomas Haworth about planet formation in extreme environments and the role the stars play in shaping their planets. Hugh covers the ins and outs of how ex…