Episode 57: Exoplanets: A Retrospective Survey and the Road Ahead, with Paul Delaney

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Feature Guest: Paul Delaney

pauldelaneyThe next time you look up at the night sky, struck dizzy by the sheer number of stars shining down on you, here’s something to consider. On average each star host at least one planet. That’s the accumulated result of our exoplanet hunting efforts to date. To help us explore the implications of this profound discovery and to make sense of our zoo of exoplanets, from Super Earths to Hot Jupiters and everything in between, Professor Paul Delaney joins Justin Trottier at The Star Spot.

We’ve focused much attention on exoplanet discoveries. Today we step back and provide some perspective. Professor Delaney takes us from the earliest planet hunting pioneers all the way to the latest technological developments that are pushing the distance of our planetary discoveries, reducing the size of the objects we are able to detect, and leading us on to the next frontier: exoplanet atmospheres.

Professor Delaney explains his surprise at the ubiquity of so-called “rogue planets” and shares his touching story of becoming an astronomer despite living with albinism. Though in his own words he does not have a good relationship with the sun, he has fostered a great one with the stars, and he works to share his infectious enthusiasm with the world.

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Current in Space

Dave shares the discovery of an exoplanet found near the all important “frost line,” the first time we’ve found a planet with a history potentially similar to that of Jupiter. Benjamin describes how the upcoming James Webb Space Telescope may search the atmosphere of exoplanets for signs of life – including long self-destructed life! Closer to home, Anuj tells of a new spacecraft being sent to sample an asteroid for organics. And Denise wonders if the next space race will be far more crowded than the last one.

About our Guest

Paul Delaney is Professor of Physics and Astronomy at York University. He received his undergraduate degree from the Australian National University in Canberra, Australia, and his graduate degree in astronomy from the University of Victoria in Canada. Professor Delaney oversees the York University campus observatory and its public outreach programs, and he appears regularly on York Universe, one of The Star Spot’s affiliated podcasts.

Links

Video: Paul Delaney – Star Man: At the 2011 Albinism Fellowship of Australia conference in Melbourne (October 9, 2011), Paul Delaney gave this video presentation explaining how he became a professor of astronomy despite the visual problems associated with albinism.

Video: The Promise of New Worlds: The Kepler Mission, featuring Professor Paul Delaney (Presentation at the Centre for Inquiry)

‘What a spectacular view’: Moon landing happened 45 years ago Sunday (The Ottawa Citizen)

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