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exocast

The exoplanet podcast

science astronomy

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52:33

Exocast-51b: Interview with Mark Marley

exocast ·

2021/05/04

In this episode the Exocast gang are 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 models, 'ice' giants, brown dwarfs, his leadership role with the LUVOIR space telescope concept, as well as his cheerleading efforts during the Exocup.

en-US

43:56

Exocast-50c: Monthly Exoplanet News

exocast ·

2021/04/18

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 Lithologic Controls on Silicate Weathering Regimes of Temperate Planets by Kaustubh Hakim and team. Hannah dons a thermal raincoat to cover Water on hot rocky exoplanets by Edwin Kite and LauraRead more

en-US

48:47

Exocast-50b: Why do we study exoplanets?

exocast ·

2021/04/05

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 big questions in astronomy. Astronomy has been at the root of huge technological advances, from the X-ray machines at the airport, to the development of computer languages,Read more

en-US

44:34

Exocast-49c: Monthly Exoplanet News

exocast ·

2021/03/08

For the second exocast news for 2021 Hannah talks about the physics of raindrops in planetary atmospheres, Hugh explores the color possibilities of the Kepler Photometric data, and Andrew discusses the role of chance in the habitability of the Earth as an exoplanet

en-US

42:05

Exocast-49b: Interview with Diana Powell

exocast ·

2021/03/05

The exocast team interview cloud and dust expert Diana Powell (UC:Santa Cruz) about her work on protoplanetary disks and clouds in exoplanet atmospheres. The team also welcome CI Tau b to their adopted planets.

en-US

41:49

Exocast-48c: Monthly Exoplanet News

exocast ·

2021/01/29

For the first Exocast News of 2021, Hugh talks about the Direct confirmation of Beta Pic c, Hannah discusses simulating the photochemical haze of hot Jupiter HD189733b, and Andrew takes us through the science and drama surrounding the detection of phosphine in the atmosphere of Venus

en-US

40:50

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

exocast ·

2021/01/25

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?

en-US

41:06

Exocast-47c: #ExoCup2020 the Summary

exocast ·

2020/12/13

The Exocast team tackle the goings on of the #ExoCup2020 twitter competition to crown the exoplanet champion of 2020.

en-US

24:20

Exocast-47 b: The #Exocup2020 live draw!

exocast ·

2020/10/26

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

en-US

44:49

Exocast-46b: Interview with Moiya McTier

exocast ·

2020/07/20

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 from measuring the topography on an exoplanet by the effect that mountains and other features have in transit, all the way up to how the stars in the Milky WayRead more

en-US

36:05

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

exocast ·

2020/07/09

This month Hannah, Hugh, and Andrew go through the slew of exoplanet papers from discoveries, characterisation, and astrobiology

en-US

47:22

Exocast-45c: how many exoplanets are there?

exocast ·

2020/06/12

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 limitations of our instruments that affect our ability to even detect and characterise many planets, how we define a ‘planet’, and whether or not we have surveyed enough starsRead more

en-US

45:15

Exocast-45b: Special Guest Dr Baptiste Journaux

exocast ·

2020/06/02

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.

en-US

35:38

Exocast-45d – Exoplanet News: new discoveries,...

exocast ·

2020/05/26

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 LIFE mission kicked off. We have lots of new exoplanets being discovered (from TESS, NGTS, WASP and RVs), and un-discovered, as was the case for Fomalhaut b. Characterisation studies have alsoRead more

en-US

47:56

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

exocast ·

2020/05/07

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 of our upcoming and near-future exoplanet imaging technologies. We touch on some of the avenues that astronomers & engineersRead more

en-US

33:03

Exocast-44 d – April 2020’s exoplanet news

exocast ·

2020/05/01

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 Gin & Vampires on exoplanets (from a couple of results very early this month). Also this month, check out our chat with Dr Sarah Casewell; and a discussion ofRead more

en-US

55:31

Exocast-44b: Special Guest Dr Sarah Casewell

exocast ·

2020/04/22

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 special to study. Sarah also shares her journey in academia from PhD, to postdoc, manager, and now fellow, all while becoming a mum (twice). WeRead more

en-US

38:31

Exocast-43 d: Exoplanet news

exocast ·

2020/03/30

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 very productive KELT survey after 17 years. We also revisit K2-18b, which hit the exoplanet headlines last year after water vapour was definitively detected inRead more

en-US

38:09

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

exocast ·

2020/03/23

Exocast-43c - On this episode we ask the question: Can we EVER travel to an exoplanet?

en-US

40:07

Exocast-43b: Special Guest Natalia Guerrero

exocast ·

2020/03/16

Special guest interview with Natalia Guerrero

en-US

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