Have you ever wondered if there’s a Galactic Empire out there? How long would it take a space faring civilization to colonize the entire galaxy? Remarkably even traveling at sub-light speeds this should be possible within a fraction of our galaxy’s lifetime. Which raises the question - why hasn’t this happened yet? Today we dive into the repercussions of “Fact A” - the simple observation that Earth has not been colonized by an alien civilization. I sit down with Prof. Jason Wright who has recently co-authored a new paper that provides the most sophisticated treatment to date of this problem, and what it means for our place in the Universe.
Interview with Prof. Jason Wright. Presented & Written by Prof. David Kipping.
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References:
► Carroll-Nellenback, J., Frank, A., Wright, J. & Scharf, C., 2019, "The Fermi Paradox and the Aurora Effect: Exo-civilization Settlement, Expansion, and Steady States", ApJ, 158, 117: arxiv.org/abs/...
► Hart, M., 1975, "Explanation for the Absence of Extraterrestrials on Earth", Quart. J. RAS, 16, 128: ui.adsabs.harv...
Video materials and graphics used:
► Opening Galaxy shot by Bridge Head Productions: tinyurl.com/uk...
► Abiogenesis animation by TheOriginOfLife • Origin of Life
► Exoplanet animations ESO/M. Kornmesser: www.eso.org/pu... & www.eso.org/pu...
► Galaxy zoom by Emilio Music Productions: • Milky Way Galaxy Anima...
► Microbiology footage from Nokia Small World in Motion Competitions: • 2018 Nikon Small World... , • 2018 Nikon Small World... , • 2016 Nikon Small World... , • 2018 Nikon Small World...
► Sunset video by kagnet: • Beautiful Sunrise - Li...
► Cave painting from Cave Art 101, National Geographic: • Cave Art 101 | Nationa...
► Rocket animation Егор Румянцев: • Rocket Launch Energia-...
► SpaceX Mars animation by SpaceX: • SpaceX to Mars: Awe-In...
► Galactic colonization animation by ESA Advanced Concepts Team: h • Settling the Galaxy (A...
► Galaxy spinning animation by Huy Trường Nguyễn: • Galaxy Spinning
► Journey to Alpha Cen by ESO./L. Calçada/Nick Risinger (skysurvey.org): www.eso.org/pu...
► Exoplanet K2-18b by ESA/Hubble/M. Kornmesser: www.spaceteles...
► Galaxy fly-in by Batsaikhan Ariun-Erdene: vimeo.com/1987...
► Timelapse of AKSAP telescope by Alex Cherney: • Video
► Closing Milky Way shot by Alexandra Angelich (NRAO/AUI/NSF): vimeo.com/2055...
Movies/TV scenes used:
► Contact (1997)/Warnes Bros.
► Alien: Covenant (2017)/20th Century Fox
► Interstellar (2014)/Paramount
► Star Trek/Paramount
► Terminator 3: Rise of the Machine (2003)/Warner Bros.
► Alien (1979)/Warner Bros.
Music used, in chronological order:
► "Waking Up" by Atlas, licensed through SoundStripe.com: app.soundstrip...
► Cylinder Five (chriszabriskie....) by Chris Zabriskie (chriszabriskie.... licensed under a Creative Commons Attribution license (creativecommon...)
► The Sun is Scheduled to Come Out Tomorrow ( / chriszabriskie ) by Chris Zabriskie (chriszabriskie.... licensed under a Creative Commons Attribution license (creativecommon...)
► Cylinder Four (chriszabriskie....) by Chris Zabriskie (chriszabriskie.... licensed under a Creative Commons Attribution license (creativecommon...)
► Music from Neptune Flux, "The Oceans Continue to Rise" by Chris Zabriskie (chriszabriskie.... licensed under a Creative Commons Attribution license (creativecommon...)
► "Selha" by Stephen Keech, licensed through SoundStripe.com: app.soundstrip...
And also...
► Columbia University Department of Astronomy: www.astro.colum...
► Cool Worlds Lab website: coolworlds.astr...
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#GalacticColonization #FermiParadox #FactA
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