Cool Worlds | Galactic Colonization @CoolWorldsLab | Uploaded 4 years ago | Updated 12 hours ago
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.
You can now support our research program and the Cool Worlds Lab at Columbia University: coolworldslab.com/support
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/1902.04450
► Hart, M., 1975, "Explanation for the Absence of Extraterrestrials on Earth", Quart. J. RAS, 16, 128: https://ui.adsabs.harvard.edu/abs/1975QJRAS..16..128H/abstract
Video materials and graphics used:
► Opening Galaxy shot by Bridge Head Productions: tinyurl.com/uk774j7
► Abiogenesis animation by TheOriginOfLife youtu.be/j_flx26bU0Q
► Exoplanet animations ESO/M. Kornmesser: eso.org/public/videos/barnard-surface2b-v2-cc1 & eso.org/public/videos/eso0915e
► Galaxy zoom by Emilio Music Productions: youtu.be/AjRy6M1LJW8
► Microbiology footage from Nokia Small World in Motion Competitions: youtu.be/lQLsyf64xak, youtube.com/watch?v=aLftNakbifg, youtu.be/ZquzlvEEZq8, youtu.be/jOur9xoK4bE
► Sunset video by kagnet: youtu.be/JoyUUokcX5g
► Cave painting from Cave Art 101, National Geographic: youtu.be/ZjejoT1gFOc
► Rocket animation Егор Румянцев: youtu.be/QESuONPI7VY
► SpaceX Mars animation by SpaceX: youtu.be/-aGISgOB6n0
► Galactic colonization animation by ESA Advanced Concepts Team: hyoutu.be/nlnlORplDTI
► Galaxy spinning animation by Huy Trường Nguyễn: youtu.be/VhowJ3OZ2BM
► Journey to Alpha Cen by ESO./L. Calçada/Nick Risinger (skysurvey.org): eso.org/public/videos/eso1241a
► Exoplanet K2-18b by ESA/Hubble/M. Kornmesser: spacetelescope.org/videos/heic1916a
► Galaxy fly-in by Batsaikhan Ariun-Erdene: vimeo.com/198713894
► Timelapse of AKSAP telescope by Alex Cherney: youtu.be/FDoDk4D2RAw
► Closing Milky Way shot by Alexandra Angelich (NRAO/AUI/NSF): vimeo.com/205561357
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.soundstripe.com/songs/3984
► Cylinder Five (http://chriszabriskie.com/cylinders) by Chris Zabriskie (http://chriszabriskie.com/); licensed under a Creative Commons Attribution license (creativecommons.org/licenses/by/4.0)
► The Sun is Scheduled to Come Out Tomorrow (soundcloud.com/chriszabriskie) by Chris Zabriskie (http://chriszabriskie.com/); licensed under a Creative Commons Attribution license (creativecommons.org/licenses/by/4.0)
► Cylinder Four (http://chriszabriskie.com/cylinders) by Chris Zabriskie (http://chriszabriskie.com/); licensed under a Creative Commons Attribution license (creativecommons.org/licenses/by/4.0)
► Music from Neptune Flux, "The Oceans Continue to Rise" by Chris Zabriskie (http://chriszabriskie.com/neptuneflux/); licensed under a Creative Commons Attribution license (creativecommons.org/licenses/by/4.0)
► "Selha" by Stephen Keech, licensed through SoundStripe.com: app.soundstripe.com/songs/7102
And also...
► Columbia University Department of Astronomy: http://www.astro.columbia.edu
► Cool Worlds Lab website: http://coolworlds.astro.columbia.edu
Latest Cool Worlds Videos ► http://bit.ly/NewCoolWorlds
Cool Worlds Research ► http://bit.ly/CoolWorldsResearch
Cool Worlds Long Form Videos ► http://bit.ly/CoolWorldsEssays
Guest Videos ► http://bit.ly/CoolWorldsGuests
Q&A Videos ► http://bit.ly/CoolWorldsQA
Tabby's Star ► http://bit.ly/TabbysStar
Science of TV/Film ► http://bit.ly/ScienceMovies
SUBSCRIBE to the channel http://bit.ly/CoolWorldsSubscribe
THANKS FOR WATCHING!!
#GalacticColonization #FermiParadox #FactA
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.
You can now support our research program and the Cool Worlds Lab at Columbia University: coolworldslab.com/support
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/1902.04450
► Hart, M., 1975, "Explanation for the Absence of Extraterrestrials on Earth", Quart. J. RAS, 16, 128: https://ui.adsabs.harvard.edu/abs/1975QJRAS..16..128H/abstract
Video materials and graphics used:
► Opening Galaxy shot by Bridge Head Productions: tinyurl.com/uk774j7
► Abiogenesis animation by TheOriginOfLife youtu.be/j_flx26bU0Q
► Exoplanet animations ESO/M. Kornmesser: eso.org/public/videos/barnard-surface2b-v2-cc1 & eso.org/public/videos/eso0915e
► Galaxy zoom by Emilio Music Productions: youtu.be/AjRy6M1LJW8
► Microbiology footage from Nokia Small World in Motion Competitions: youtu.be/lQLsyf64xak, youtube.com/watch?v=aLftNakbifg, youtu.be/ZquzlvEEZq8, youtu.be/jOur9xoK4bE
► Sunset video by kagnet: youtu.be/JoyUUokcX5g
► Cave painting from Cave Art 101, National Geographic: youtu.be/ZjejoT1gFOc
► Rocket animation Егор Румянцев: youtu.be/QESuONPI7VY
► SpaceX Mars animation by SpaceX: youtu.be/-aGISgOB6n0
► Galactic colonization animation by ESA Advanced Concepts Team: hyoutu.be/nlnlORplDTI
► Galaxy spinning animation by Huy Trường Nguyễn: youtu.be/VhowJ3OZ2BM
► Journey to Alpha Cen by ESO./L. Calçada/Nick Risinger (skysurvey.org): eso.org/public/videos/eso1241a
► Exoplanet K2-18b by ESA/Hubble/M. Kornmesser: spacetelescope.org/videos/heic1916a
► Galaxy fly-in by Batsaikhan Ariun-Erdene: vimeo.com/198713894
► Timelapse of AKSAP telescope by Alex Cherney: youtu.be/FDoDk4D2RAw
► Closing Milky Way shot by Alexandra Angelich (NRAO/AUI/NSF): vimeo.com/205561357
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.soundstripe.com/songs/3984
► Cylinder Five (http://chriszabriskie.com/cylinders) by Chris Zabriskie (http://chriszabriskie.com/); licensed under a Creative Commons Attribution license (creativecommons.org/licenses/by/4.0)
► The Sun is Scheduled to Come Out Tomorrow (soundcloud.com/chriszabriskie) by Chris Zabriskie (http://chriszabriskie.com/); licensed under a Creative Commons Attribution license (creativecommons.org/licenses/by/4.0)
► Cylinder Four (http://chriszabriskie.com/cylinders) by Chris Zabriskie (http://chriszabriskie.com/); licensed under a Creative Commons Attribution license (creativecommons.org/licenses/by/4.0)
► Music from Neptune Flux, "The Oceans Continue to Rise" by Chris Zabriskie (http://chriszabriskie.com/neptuneflux/); licensed under a Creative Commons Attribution license (creativecommons.org/licenses/by/4.0)
► "Selha" by Stephen Keech, licensed through SoundStripe.com: app.soundstripe.com/songs/7102
And also...
► Columbia University Department of Astronomy: http://www.astro.columbia.edu
► Cool Worlds Lab website: http://coolworlds.astro.columbia.edu
Latest Cool Worlds Videos ► http://bit.ly/NewCoolWorlds
Cool Worlds Research ► http://bit.ly/CoolWorldsResearch
Cool Worlds Long Form Videos ► http://bit.ly/CoolWorldsEssays
Guest Videos ► http://bit.ly/CoolWorldsGuests
Q&A Videos ► http://bit.ly/CoolWorldsQA
Tabby's Star ► http://bit.ly/TabbysStar
Science of TV/Film ► http://bit.ly/ScienceMovies
SUBSCRIBE to the channel http://bit.ly/CoolWorldsSubscribe
THANKS FOR WATCHING!!
#GalacticColonization #FermiParadox #FactA
