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Cool Worlds

Cool Worlds

Space, astronomy, exoplanets, astroengineering and the search for extraterrestrial life & intelligence.

The Cool Worlds Lab (http://coolworldslab.com), based at the Department of Astronomy, Columbia University, is a team of astronomers seeking to discover and understand alien worlds, particularly those where temperatures are cool enough for life, led by Professor David Kipping.

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  • Today · 8 min

    Polluted Dead Stars

    Cool Worlds Lab guest Dr Sarah Ballard from MIT explains how observing dead stars (white dwarfs) can reveal the makeup of exoplanets and even exoplanetesimals! Be sure to follow Sarah on Twitter @hubbahubble and check out her website at http://www.drsarahballard.com. ::More about this Video:: ► Farihi et al. (2013), "Evidence for Water in the Rocky Debris of a Disrupted Extrasolar Minor Planet": http://arxiv.org/abs/1310.3269 ► Xu et al. (2014), "Elemental Compositions of Two Extrasolar Rocky Planetesimals": http://arxiv.org/abs/1401.4252 ► Vanderburg et al. (2015), "A disintegrating minor planet transiting a white dwarf": http://arxiv.org/abs/1510.06387 ► Outro music by Taylor Davis: https://www.youtube.com/watch?v=dl9kI1yQKZk ::Playlists For Channel:: Latest Cool Worlds Videos ► http://bit.ly/NewCoolWorlds Cool Worlds Research ► http://bit.ly/CoolWorldsResearch Guest Videos ► http://bit.ly/CoolWorldsGuests Q&A Videos ► http://bit.ly/CoolWorldsQA Science of TV/Film ► http://bit.ly/ScienceMovies ::Follow us:: SUBSCRIBE to the channel http://bit.ly/CoolWorldsSubscribe Cool Worlds Lab http://coolworlds.astro.columbia.edu Twitter https://twitter.com/david_kipping Instagram https://www.instagram.com/cool.worlds THANKS FOR WATCHING!! Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 44 min

    The Strangest Idea in Science: Quantum Immortality

    Use code coolworlds at https://incogni.com/coolworlds to get an exclusive 60% off an annual Incogni plan. One of the leading interpretations of quantum theory is that every probabilistic event leads to a branching of reality, where all possibilities occur. This "many worlds" interpretation has been growing in prominence, but it implies a bizarre consequence. It might mean that you can never die, and will continue to survive not only life threatening events but even old age. Join us today as we explore the extraordinary idea of quantum immortality. Written & presented by Prof. David Kipping. Edited by Jorge Casas. → Support our research: https://www.coolworldslab.com/support → Get merch: https://teespring.com/stores/cool-worlds-store → Check out our podcast: www.youtube.com/@CoolWorldsPodcast THANK-YOU to T. Widdowson, D. Smith, L. Sanborn, C. Bottaccini, D. Daughaday, S. Brownlee, E. West, T. Zajonc, A. De Vaal, M. Elliott, B. Daniluk, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, C. Souter, M. Gillette, T. Jeffcoat, J. Rockett, D. Murphree, M. Sanford, T. Donkin, A. Schoen, K. Dabrowski, R. Ramezankhani, J. Armstrong, S. Marks, B. Smith, J. Kruger, S. Applegate, E. Zahnle, N. Gebben, J. Bergman, C. Macdonald, M. Hedlund, P. Kaup, W. Evans, N. Corwin, K. Howard, L. Deacon, G. Metts, R. Provost, G. Fullwood, N. De Haan, R. Williams, E. Garland, R. Lovely, A. Cornejo, D. Compos, F. Demopoulos, G. Bylinsky, J. Werner, S. Thayer, T. Edris, F. Blood, M. O'Brien, D. Lee, J. Sargent, M. Czirr, F. Krotzer, I. Williams, J. Sattler, B. Reese, O. Shabtay, X. Yao, S. Saverys, A. Nimmerjahn, C. Seay, D. Johnson, L. Cunningham, M. Morrow, M. Campbell, B. Devermont, Y. Muheim, A. Stark, C. Caminero, P. Borisoff, A. Donovan, H. Schiff, J. Cos, J. Oliver, B. Kite, C. Hansen, J. Shamp, R. Chaffee, A. Ortiz, B. McMillan, B. Cartmell, J. Bryant, J. Obioma, M. Zeiler, S. Murray, S. Patterson, C. Kennedy, G. Le Saint, W. Ruf, A. Kochkov, B. Langley, D. Ohman, P. Stevenson, T. Ford, T. Tarrants, A. Laroye, I. Venzor, R. Raszka, B. Gaalen, A. Taylor, D. Wedgewood, J. Alley, D. Aron & G. Thomsen. REFERENCES Tegmark, Max (1998), "The Interpretation of Quantum Mechanics: Many Worlds or Many Words?", Fortsch. Phys. 46, 855-862: http://xxx.lanl.gov/abs/quant-ph/9709032 MUSIC Licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], Artlist.io, via CC Attribution License (https://creativecommons.org/licenses/by/4.0/) or with permission from the artist. 0:00 Hill - A Flickering Start 2:48 Joachim Heinrich - Stjärna 5:48 Chris Zabriskie - Cylinder Five 9:24 Chris Zabriskie - World of Wonder 10:51 Stephen Keech - Selha 13:25 Hill - A Sad Scene from a Sad Film 16:54 Hill - The Persecuted 19:39 Falls - Life in Binary 22:10 Hill - Mourning Wakes 25:35 Hill - The Now is Only a Thin Slice of Who I Am 28:46 Kyle Preston - An Ocean of Quiet Confession 31:29 Kyle Preston - Up The Oregon Coast 33:43 Joachim Heinrich - Y CHAPTERS 0:00 Introduction 5:48 The Wavefunction Never Collapses 9:26 Incogni 10:55 Quantum Russian Roulette 14:41 Generalized Immortality 16:57 Anthropic Reasoning 19:28 Corrected Intensity Rule 22:10 Non-Quantum Analogies 28:45 What is Self? 31:26 Final Thoughts 35:43 Outro & Credits #CoolWorlds #QuantumImmortality #ManyWorlds Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 32 min

    The “Crisis in Cosmology” EXPLAINED

    In the last few years, astronomers have witnessed a growing problem emerge. As measurement precision has increased, the hope was that this problem would abate, but instead it has only exacerbated. Welcome to "The Crisis in Cosmology". But what exactly is the fuss all about, and how much should be believe the sensationalism? Written and presented by Prof David Kipping, edited by Jorge Casas. → Support our research program: https://www.coolworldslab.com/support → Get Stash here! https://teespring.com/stores/cool-worlds-store THANK-YOU to our supporters D. Smith, M. Sloan, C. Bottaccini, D. Daughaday, A. Jones, S. Brownlee, N. Kildal, Z. Star, E. West, T. Zajonc, C. Wolfred, L. Skov, G. Benson, A. De Vaal, M. Elliott, B. Daniluk, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, C. Souter, M. Gillette, T. Jeffcoat, J. Rockett, D. Murphree, S. Hannum, T. Donkin, K. Myers, A. Schoen, K. Dabrowski, J. Black, R. Ramezankhani, J. Armstrong, K. Weber, S. Marks, L. Robinson, S. Roulier, B. Smith, G. Canterbury, J. Cassese, J. Kruger, S. Way, P. Finch, S. Applegate, L. Watson, E. Zahnle, N. Gebben, J. Bergman, E. Dessoi, J. Alexander, C. Macdonald, M. Hedlund, P. Kaup, C. Hays, W. Evans, D. Bansal, J. Curtin, J. Sturm, RAND Corp., M. Donovan, N. Corwin, M. Mangione, K. Howard, L. Deacon, G. Metts, G. Genova, R. Provost, B. Sigurjonsson, G. Fullwood, B. Walford, J. Boyd, N. De Haan, J. Gillmer, R. Williams, E. Garland, A. Leishman & A. Phan Le. ::Music:: Music licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], Artlist.io, via Creative Commons (CC) Attribution License (https://creativecommons.org/licenses/by/4.0/), or with permission from the artist ► 00:00 Sid Acharya - Sky Sailing ► 01:01 Chris Zabriskie - Cylinder Four ► 03:25 Hill - Loneliness [https://open.spotify.com/album/6vasPO2FKG0ddtkOiHmqBC?si=qWxcwquXSiaSXAeHFG6OMw] ► 06:35 Chris Zabriskie - Cylinder Five ► 09:19 Hill - Detached [https://open.spotify.com/album/2RsyjpeBo63MBse1PL2HNr?si=gBFBSqYKQmK-yPJjBE7Udw] ► 12:53 Hill - There Is but One Good [https://open.spotify.com/album/4pmiXcyRpPlFjWjb45pYLx?highlight=spotify:track:1vlxAsmQaHJo1HyvYJF770] ► 19:08 Chris Zabriskie - Stories About the World That Once Was ► 21:49 Joachim Heinrich - Y ► 24:05 Indive - Halo Drive ::Chapters:: 00:00 Introduction 01:16 Hubble's Constant 02:24 Using the CMB 04:34 The Local Universe 06:20 Cepheids 08:24 The Distance Ladder 10:38 The Hubble Tension 11:29 New Physics? 12:50 The Trouble with Cepheids 15:50 Red Giant Saviors 20:17 Giant Headaches 21:04 No Crisis? 22:37 Sensationalism 24:05 Outro and credits #CrisisInCosmology #HubbleTension #JWST Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 9 min

    The Doomsday Argument | When Will Civilization End?

    When will our civilization end? Whether it be by our own means or an external threat, there are many plausible scenarios which could extinguish humanity. Remarkably, using the Principle of Mediocrity (that we are just typical observers and not special) it is possible to answer this question statistically with a line of thought called the Doomsday Argument. We get into how this works and what it says about our prospects for survival... ::More about this Video:: ► Richard Gott (1993), "Implications of the Copernican principle for our future prospects": http://www.nature.com/nature/journal/v363/n6427/abs/363315a0.html ► Fergus Simpson (2016), "Apocalypse Now? Reviving the Doomsday Argument": https://arxiv.org/abs/1611.03072 ► Carter & McCrea (1983): "The Anthropic Principle and its Implications for Biological Evolution [and Discussion]", http://rsta.royalsocietypublishing.org/content/310/1512/347 ► Outro music by Taylor Davis: https://www.youtube.com/watch?v=dl9kI1yQKZk ::Playlists For Channel:: Latest Cool Worlds Videos ► http://bit.ly/NewCoolWorlds Cool Worlds Research ► http://bit.ly/CoolWorldsResearch Guest Videos ► http://bit.ly/CoolWorldsGuests Q&A Videos ► http://bit.ly/CoolWorldsQA Science of TV/Film ► http://bit.ly/ScienceMovies ::Follow us:: SUBSCRIBE to the channel http://bit.ly/CoolWorldsSubscribe Cool Worlds Lab http://coolworlds.astro.columbia.edu Twitter https://twitter.com/david_kipping Instagram https://www.instagram.com/cool.worlds THANKS FOR WATCHING!! Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 37 min

    An Idea So Crazy It Might Just Work...

    Light sails are a promising method for traveling through space - indeed, Breakthrough Starshot proposed a laser driven version could reach nearby stars. But the exorbitant costs and engineering challenges of such a proposal have stymied its realization. What if there was a way of using the Sun - no lasers required - but keeping our dream of interstellar travel in tact? Introducing TARS. This video is based on published research (see https://arxiv.org/abs/2507.17615 ) supported by the Cool Worlds donors (see below). Written & presented by Prof. David Kipping. → Support our research: https://www.coolworldslab.com/support → Get merch: https://crowdmade.com/collections/cool-worlds → Check out our podcast: www.youtube.com/@CoolWorldsPodcast Check out Anton’s Starshot video at https://youtu.be/HwPTF_TZvWY THANK-YOU to D. Smith, C. Bottaccini, D. Daughaday, S. Brownlee, E. West, T. Zajonc, A. De Vaal, M. Elliott, B. Daniluk, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, C. Souter, M. Gillette, J. Rockett, M. Sanford, T. Donkin, A. Schoen, K. Dabrowski, J. Armstrong, B. Smith, J. Kruger, J. Bergman, C. Macdonald, M. Hedlund, N. Corwin, K. Howard, L. Deacon, G. Metts, R. Provost, G. Fullwood, N. De Haan, R. Williams, E. Garland, R. Lovely, D. Compos, F. Demopoulos, T. Edris, M. O'Brien, D. Lee, M. Czirr, I. Williams, B. Reese, A. Nimmerjahn, C. Seay, D. Johnson, L. Cunningham, M. Morrow, M. Campbell, B. Devermont, P. Borisoff, H. Schiff, J. Cos, C. Hansen, R. Chaffee, A. Ortiz, B. McMillan, B. Cartmell, J. Bryant, J. Obioma, M. Zeiler, S. Murray, S. Patterson, C. Kennedy, G. Le Saint, W. Ruf, A. Kochkov, B. Langley, P. Stevenson, T. Ford, A. Laroye, I. Venzor, R. Raszka, B. Gaalen, J. Alley, D. Aron, G. Thomsen, S. Shardool, B. Kingston, A. Phan Le, N. Offor, A. Huch, J. Morrison & C. Fitzsimmons. MUSIC Licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], Artlist.io, via CC Attribution License (https://creativecommons.org/licenses/by/4.0/) or with permission from the artist. 0:00 Hill - Circle 3:37 Hill - Rough Mix 6:51 Sid Acharya - Stories from the Sky 8:15 Kyle Preston - An Ocean of Quiet Confession 10:40 Atlas - Waking Up 14:43 Hill - There is but One Good 19:57 One Guitar Orchestra (@OneGuitarOrchestra) - No Time For Caution 22:19 Hill - Interstellar 25:28 Hill - Rough Mix CHAPTERS 00:00 Echoes 00:30 Sea Longing 4:06 Breakthrough Starshot 6:51 The Cavalry Ain't Coming 8:39 The Art of Pragmatism 10:54 No Lasers Required 14:31 Enter the Quasite 16:39 Going Interstellar 18:32 Optimization 20:19 For Our Next Trick 23:26 Juicing TARS 27:13 Closing Thoughts 28:55 Outro and Credits #TARS #Interstellar #CoolWorlds Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 6 min

    Is Time an Illusion? | Prof Sean Carroll

    We caught up with Prof Sean Carroll at a recent astronomy conference and got his thoughts about time. Time may seem like a fundamental property of the Universe, but actually there's nothing in quantum theory which requires this to be so. Prof Carroll explains how time being merely an illusion, an emergent property rather than a fundamental one, is actually compatible with our best understanding of nature. This is one of two videos we shot with Sean so look out for the second video later in the year! ::More about this Video:: ► Sean Carroll: "From Eternity to Here" book available on Amazon: https://www.amazon.com/Eternity-Here-Quest-Ultimate-Theory/dp/0452296544 ► Sean Carroll's blog "Preposterous Universe" at https://www.preposterousuniverse.com/blog/ ► 229th Meeting of the American Astronomical Society: https://aas.org/meetings/aas229 ► Background music by Hans Zimmer, Interstellar OST ::Playlists For Channel:: Latest Cool Worlds Videos ► http://bit.ly/NewCoolWorlds Cool Worlds Research ► http://bit.ly/CoolWorldsResearch Guest Videos ► http://bit.ly/CoolWorldsGuests Q&A Videos ► http://bit.ly/CoolWorldsQA Science of TV/Film ► http://bit.ly/ScienceMovies ::Follow us:: SUBSCRIBE to the channel http://bit.ly/CoolWorldsSubscribe Cool Worlds Lab http://coolworlds.astro.columbia.edu Twitter https://twitter.com/david_kipping Instagram https://www.instagram.com/cool.worlds THANKS FOR WATCHING!! Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 19 min

    Shocking Result from DESI Stuns Cosmology

    Thanks to Storyblocks for sponsoring this video! Download unlimited stock media at one set price with Storyblocks: https://storyblocks.com/CoolWorlds The Standard Model of Cosmology has reigned supreme for decades, confirmed over and over again. But chinks in the armour have been developing, such as the Hubble Tension. Now, however, a new result threatens to completely upend our view of the Universe - we no longer even know how it will end. Written & presented by Prof. David Kipping. → Support our research: https://www.coolworldslab.com/support → Get merch: https://teespring.com/stores/cool-worlds-store → Check out our podcast: www.youtube.com/@CoolWorldsPodcast THANK-YOU to T. Widdowson, D. Smith, L. Sanborn, C. Bottaccini, D. Daughaday, S. Brownlee, E. West, T. Zajonc, A. De Vaal, M. Elliott, B. Daniluk, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, C. Souter, M. Gillette, T. Jeffcoat, J. Rockett, D. Murphree, M. Sanford, T. Donkin, A. Schoen, K. Dabrowski, R. Ramezankhani, J. Armstrong, S. Marks, B. Smith, J. Kruger, S. Applegate, E. Zahnle, N. Gebben, J. Bergman, C. Macdonald, M. Hedlund, P. Kaup, W. Evans, N. Corwin, K. Howard, L. Deacon, G. Metts, R. Provost, G. Fullwood, N. De Haan, R. Williams, E. Garland, R. Lovely, A. Cornejo, D. Compos, F. Demopoulos, G. Bylinsky, J. Werner, S. Thayer, T. Edris, F. Blood, M. O'Brien, D. Lee, J. Sargent, M. Czirr, F. Krotzer, I. Williams, J. Sattler, B. Reese, O. Shabtay, X. Yao, S. Saverys, A. Nimmerjahn, C. Seay, D. Johnson, L. Cunningham, M. Morrow, M. Campbell, B. Devermont, Y. Muheim, A. Stark, C. Caminero, P. Borisoff, A. Donovan, H. Schiff, J. Cos, J. Oliver, B. Kite, C. Hansen, J. Shamp, R. Chaffee, A. Ortiz, B. McMillan, B. Cartmell, J. Bryant, J. Obioma, M. Zeiler, S. Murray, S. Patterson, C. Kennedy, G. Le Saint, W. Ruf, A. Kochkov, B. Langley, D. Ohman, P. Stevenson, T. Ford, T. Tarrants, A. Laroye, I. Venzor, R. Raszka, B. Gaalen, A. Taylor, D. Wedgewood, J. Alley, D. Aron & G. Thomsen. REFERENCES The DESI papers are available here: https://ui.adsabs.harvard.edu/public-libraries/XCj7bW-vSMaNZVV0C0QyGA #CoolWorlds #DarkEnergy #DESI Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 12 min

    Project Starshot | New Research on Relativistic Light Sails

    New research paper from the Cool Worlds Lab about one the most exciting missions ever proposed, "Starshot". Starshot plans to send tiny probes to distant planets beyond our Solar System, the first true interstellar spacecraft. To do this within our lifetimes requires a very fast probe, reaching one-fifth the speed of light. That means Einstein's theory of special relativity starts to become important and so in our new paper, explained in the video, we figured out how much of a difference that makes... ::More about this Video:: ► David Kipping (2017), "Relativistic Light Sails": https://arxiv.org/abs/1704.04310 ► Live stream of the Breakthrough Discuss meeting at Stanford (04/20-04/21): https://www.facebook.com/BreakthroughPrize ► Breakthrough Initiatives website: https://breakthroughinitiatives.org ► Cool Worlds Lab website: http://coolworlds.astro.columbia.edu ► Columbia University Department of Astronomy: http://www.astro.columbia.edu ► Background music by Thomas Bergersen "Final Frontier": http://www.thomasbergersen.com ::Playlists For Channel:: Latest Cool Worlds Videos ► http://bit.ly/NewCoolWorlds Cool Worlds Research ► http://bit.ly/CoolWorldsResearch Guest Videos ► http://bit.ly/CoolWorldsGuests Q&A Videos ► http://bit.ly/CoolWorldsQA Science of TV/Film ► http://bit.ly/ScienceMovies ::Follow us:: SUBSCRIBE to the channel http://bit.ly/CoolWorldsSubscribe Cool Worlds Lab http://coolworlds.astro.columbia.edu Twitter https://twitter.com/david_kipping Instagram https://www.instagram.com/cool.worlds THANKS FOR WATCHING!! ヅ Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 36 min

    Are UFOs Legitimate Science?

    UFOs, UAPs are dominating the media, but what do astronomers really think is going on? Check out our sponsor by using the code coolworlds to get an exclusive 60% off an annual Incogni plan: https://incogni.com/coolworlds Over the last few years, there has been growing public attention and interest in UFOs/UAPs fuelled by whistleblowers, leaked videos and of course the media. But astronomers have been looking for life in the Universe for decades already, using systematic searches and established scientific methodologies. No-one spends more time looking up and thinking about aliens than astronomers, so what do we think about this? How does science more broadly ingest UFO claims? Today, in the spirit of transparency, we explore this complex and evolving topic... Written and presented by Prof David Kipping. Edited by Jorge Casas. → Support our research program: https://www.coolworldslab.com/support → Get Stash here! https://teespring.com/stores/cool-worlds-store → Check out our podcast over at www.youtube.com/@CoolWorldsPodcast THANK-YOU to our supporters D. Smith, M. Sloan, L. Sanborn, C. Bottaccini, D. Daughaday, A. Jones, S. Brownlee, N. Kildal, Z. Star, E. West, T. Zajonc, C. Wolfred, L. Skov, G. Benson, A. De Vaal, M. Elliott, B. Daniluk, M. Forbes, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, C. Souter, M. Gillette, T. Jeffcoat, J. Rockett, D. Murphree, T. Donkin, K. Myers, A. Schoen, K. Dabrowski, J. Black, R. Ramezankhani, J. Armstrong, K. Weber, S. Marks, L. Robinson, S. Roulier, B. Smith, J. Cassese, J. Kruger, S. Way, P. Finch, S. Applegate, L. Watson, E. Zahnle, N. Gebben, J. Bergman, E. Dessoi, C. Macdonald, M. Hedlund, P. Kaup, C. Hays, W. Evans, D. Bansal, J. Curtin, J. Sturm, RAND Corp., M. Donovan, N. Corwin, M. Mangione, K. Howard, L. Deacon, G. Metts, G. Genova, R. Provost, B. Sigurjonsson, G. Fullwood, B. Walford, J. Boyd, N. De Haan, J. Gillmer, R. Williams, E. Garland, A. Leishman, A. Phan Le, R. Lovely, M. Spoto, A. Steele, M. Varenka, K. Yarbrough, A. Cornejo, D. Compos, F. Demopoulos, G. Bylinsky, J. Werner, B. Pearson, S. Thayer, T. Edris, A. Harrison, B. Seeley, F. Blood, M. O'Brien & P. Muzyka ::References:: ► Yingling et al. (2023), "Faculty perceptions of unidentified aerial phenomena", Humanities and Social Sciences Communications, 10, 246, : https://www.nature.com/articles/s41599-023-01746-3 ► Kopparapu & Haqq-Misra (2020), Scientific American, ‘Unidentified Aerial Phenomena,’ Better Known as UFOs, Deserve Scientific Investigation: https://www.scientificamerican.com/article/unidentified-aerial-phenomena-better-known-as-ufos-deserve-scientific-investigation/ ::Music:: Music licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], Artlist.io, via Creative Commons (CC) Attribution License (https://creativecommons.org/licenses/by/4.0/), or with permission from the artist. ► 0:00 - A Slowly Lifting Fog - Brad Hill ► 3:41 - Falls - Life in Binary ► 6:46 - Northern Boards - Brad Hill ► 10:34 - To Quiet the Drumming Inside My Head - Brad Hill ► 14:48 - Chasing Out the Chaos - Brad Hill ► 19:44 - Cylinder Seven - Chris Zabriskie ► 25:55 - Joachim Heinrich - Y ::Chapters:: 00:00 Introduction 02:27 A Science 101 05:07 Sponsored Message 06:47 Ingesting UAPs into Science 19:30 Academics on UAPs 21:53 SETI Scientists on UAPs 24:39 Concluding Thoughts 26:59 Outro & Some Interviews #UFO #UAP #SETI Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 40 min

    Will We Run Out Of Lithium?

    Lithium demand has been increasing for years thanks to the lithium ion battery. Now, that demand looks set to explode as many nations set new targets for reducing their carbon emissions. Given this, we might well wonder - could we actually run out of the stuff? Join us today as we explore projections for our lithium use and what it all means for the future of our society. Written & presented by Prof David Kipping. Special thanks to Marc-SJ for fact checking. → Support our research program: https://www.coolworldslab.com/support → Get Stash here! https://teespring.com/stores/cool-worlds-store THANK-YOU to our supporters D. Smith, M. Sloan, C. Bottaccini, D. Daughaday, A. Jones, S. Brownlee, N. Kildal, Z. Star, E. West, T. Zajonc, C. Wolfred, L. Skov, G. Benson, A. De Vaal, M. Elliott, B. Daniluk, M. Forbes, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, C. Souter, M. Gillette, T. Jeffcoat, H. Jensen, J. Rockett, N. Fredrickson, D. Holland, E. Hanway, D. Murphree, S. Hannum, T. Donkin, K. Myers, A. Schoen, K. Dabrowski, J. Black, R. Ramezankhani, J. Armstrong, K. Weber, S. Marks, L. Robinson, F. Van Exter, S. Roulier, B. Smith, P. Masterson, R. Sievers, G. Canterbury, J. Kill, J. Cassese, J. Kruger, S. Way, P. Finch, S. Applegate, L. Watson, T. Wheeler, E. Zahnle, N. Gebben, J. Bergman, E. Dessoi, J. Alexander, C. Macdonald, M. Hedlund, P. Kaup, C. Hays, S. Krasner, W. Evans, D. Bansal, J. Curtin, J. Sturm, RAND Corp., I. Attard, M. Donovan, N. Corwin, M. Mangione, K. Howard, L. Deacon, G. Metts, G. Genova, R. Provost, B. Sigurjonsson, G. Fullwood, T. Mitchum, J. Quayle, N. De Haan, ETC Ltd., C. Marion, D. Pike, R. Crayton & W. Borghei. ::References:: ► USGS Data: https://www.usgs.gov/centers/national-minerals-information-center/lithium-statistics-and-information ► LCE Conversion factors: https://nebula.wsimg.com/16ac93d043bf99389ccdec810de5123c?AccessKeyId=F3661B734558AE4BE1DE&disposition=0&alloworigin= ► Li per kWh calculation by Paul Martin: https://www.linkedin.com/pulse/how-much-lithium-li-ion-vehicle-battery-paul-martin ::Music:: Music licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], or via Creative Commons (CC) Attribution License (https://creativecommons.org/licenses/by/4.0/), or with permission from the artist ► Brad Hill - There Is but One Good (00:00) [https://open.spotify.com/album/4pmiXcyRpPlFjWjb45pYLx0] ► Falls - Life in Binary (6:40) ► Chris Zabriskie - The Sun Is Scheduled To Come Out Again Tomorrow (11:07) ► Chris Zabriskie - Stories About The World That Once Was (17:00) ► Outside the Sky - Come Home (24:22) ► Joachim Heinrich - Y (29:17) ► Indive - Trace Correction (31:36) ::Film/TV clips used:: ► Moonfall (2022) Lionsgate ► Avengers: Endgame (2019) Walt Disney Studios Motion Pictures ► The Hangover (2009) Warner Bros. Pictures ► Star Wars: Revenge of the Sith (2005) 20th Century Fox ► Outro clip by ESO/spaceengine.org/L.Calçada #Lithium #lithiumionbattery #CoolWorlds Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 32 min

    The Drake Equation After Sixty Years | Part 1 of 2

    Sixty years ago Frank Drake wrote down an equation that has become one of the most famous in astronomy - the Drake Equation. This formula, aiming to estimate the number of alien civilizations communicating within the galaxy, has been celebrated, abused and criticized. Today, we are taking a deep dive into this special equation in a two part special. Written and presented by Prof David Kipping. Thanks to Jason Wright and Nadia Drake for help with this video. This video was sponsored by CuriosityStream - sign up for CuriosityStream here: https://curiositystream.com/CoolWorlds and be sure to use the code: "CoolWorlds" WATCH PART TWO HERE: https://youtu.be/kliJ-CFVLeE You can support our research program and the Cool Worlds Lab at Columbia University: https://www.coolworldslab.com/support Get Stash here! https://teespring.com/stores/cool-worlds-store Thank-you to our supporters T. Widdowson, D. Smith, M. Sloan, L. Sanborn, C. Bottaccini, D. Daughaday, A. Jones, J. Allen, S. Brownlee, G. Fulton, N. Kildal, M. Lijoi, Z. Star, E. West, T. Zanjonc, C. Wolfred, F. Rebolledo, T. Leger, L. Skov, G. Suter, M. Elliot, M. Wallstab, B. Daniluk, J. Patrick-Saunders, M. Forbes, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, V. Alexandrov, L. Macchia, C. Souter, M. Gillette, T. Jeffcoat, H. Jensen, F. Linker, J. Rockett, N. Fredrickson, N. Geisler, P. Cleeves, R. Case & B. Desormeaux. ::References:: ► Kipping, D., 2021, "A Stationary Drake Equation Distribution as a Balance of Birth-death Processes", RNAAS, 5, 44: https://iopscience.iop.org/article/10.3847/2515-5172/abeb7b ::Check out Dr. Sutter's videos for more:: ► Paul M. Sutter - The Equation is Useless (Part 1): https://youtu.be/6B8yAxiPbk0 ► Paul M. Sutter - The Equation is Useless (Part 2): https://youtu.be/B8-k8ZoMaa0 ::Music:: Music licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], or via Creative Commons (CC) Attribution License (https://creativecommons.org/licenses/by/4.0/), or with permission from the artist ► "Bruised Hope" by Hill [Spotify at https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] ► "Long Note Two" by Kevin MacLeod ► "Y" by Joachim Heinrich ► "Always Dreaming" by Caleb Etheridge ► "Fusion" by Indive ► "Cylinder Five" by Chris Zabriskie ► "Ticking" by Alternate Endings ::Movies clips used:: ► Agora (2009) 20th Century Fox/Newmarket Films ► Contact (1997) Warner Bros. ► The Big Short (2015) Paramount Pictures ► Star Trek: The Next Generation (1993) Paramount Television ::Chapters:: 0:00 Prologue 2:48 Origins 8:23 The Drakonian Free-For-All 14:58 Criticisms of the Drake Equation #DrakeEquation #AreWeAlone #CoolWorlds Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 6 min

    Disk Detectives

    Would you like to help astronomers hunt for planets? Dr Marc Kuchner of NASA, principal investigator of the DiskDetective.org project, visited the Cool Worlds Lab and explains how you can become involved in a real planet hunting program online at DiskDetective.org. ::More about this Video:: ► Disk Detective website: www.DiskDetective.org ► Zooniverse website: https://www.zooniverse.org ► Outro music by Taylor Davis: https://www.youtube.com/watch?v=dl9kI1yQKZk ::Playlists For Channel:: Latest Cool Worlds Videos ► http://bit.ly/NewCoolWorlds Cool Worlds Research ► http://bit.ly/CoolWorldsResearch Guest Videos ► http://bit.ly/CoolWorldsGuests Q&A Videos ► http://bit.ly/CoolWorldsQA Science of TV/Film ► http://bit.ly/ScienceMovies ::Follow us:: SUBSCRIBE to the channel http://bit.ly/CoolWorldsSubscribe Cool Worlds Lab http://coolworlds.astro.columbia.edu Twitter https://twitter.com/david_kipping Instagram https://www.instagram.com/cool.worlds THANKS FOR WATCHING!! Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 7 min

    A Machine That Can Predict Exoplanets

    Exciting new research from the Cool Worlds Lab has delved into the use of machine learning and artificial neural networks for astronomy. In new work from David Kipping & Chris Lam here at Columbia, we've shown how a machine can predict the presence of extra planets in known planetary systems using just a few pieces of information about the system. Chris Lam gives a neural network 101 and explains our implementation works. ::More about this Video:: ► Kipping & Lam 2016, "Transit Clairvoyance: Enhancing TESS follow-up using artificial neural networks": https://arxiv.org/abs/1611.04904 ► Tamayo et al. (2016), "A Machine Learns to Predict the Stability of Tightly Packed Planetary Systems": https://arxiv.org/abs/1610.05359 ► Graff et al. (2013), "SKYNET: an efficient and robust neural network training tool for machine learning in astronomy": https://arxiv.org/abs/1309.0790 ► Waldmann (2016), "Dreaming of atmospheres": https://arxiv.org/abs/1511.08339 ► Outro music by Taylor Davis: https://www.youtube.com/watch?v=dl9kI1yQKZk ::Playlists For Channel:: Latest Cool Worlds Videos ► http://bit.ly/NewCoolWorlds Cool Worlds Research ► http://bit.ly/CoolWorldsResearch Guest Videos ► http://bit.ly/CoolWorldsGuests Q&A Videos ►http://bit.ly/CoolWorldsQA Science of TV/Film ► http://bit.ly/ScienceMovies ::Follow us:: SUBSCRIBE to the channel http://bit.ly/CoolWorldsSubscribe Cool Worlds Lab http://coolworlds.astro.columbia.edu Twitter https://twitter.com/david_kipping Instagram https://www.instagram.com/cool.worlds THANKS FOR WATCHING!! Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 33 min

    The Birth-Death Drake Equation | Part 2 of 2

    Welcome to Part Two of our deep dive into the Drake Equation. In the second part, we explore the temporal aspect of the Drake Equation and how it illuminates a path towards an alternative formalism - the Birth-Death formalism. Join us as we move forward to the bleeding edge of modern research on the Drake Equation. Written and presneted by Prof David Kipping. Thanks to Jason Wright and Nadia Drake for help with this video. This video was sponsored by CuriosityStream - sign up for CuriosityStream here: https://curiositystream.com/CoolWorlds and be sure to use the code: "CoolWorlds" WATCH PART ONE HERE: https://youtu.be/dM_Pelfc92s You can support our research program and the Cool Worlds Lab at Columbia University: https://www.coolworldslab.com/support Get Stash here! https://teespring.com/stores/cool-worlds-store Thank-you to our supporters T. Widdowson, D. Smith, M. Sloan, L. Sanborn, C. Bottaccini, D. Daughaday, A. Jones, J. Allen, S. Brownlee, G. Fulton, N. Kildal, M. Lijoi, Z. Star, E. West, T. Zanjonc, C. Wolfred, F. Rebolledo, T. Leger, L. Skov, G. Suter, M. Elliot, M. Wallstab, B. Daniluk, J. Patrick-Saunders, M. Forbes, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, V. Alexandrov, L. Macchia, C. Souter, M. Gillette, T. Jeffcoat, H. Jensen, F. Linker, J. Rockett, N. Fredrickson, N. Geisler, P. Cleeves, R. Case & B. Desormeaux. ::References:: ► Kipping, D., 2021, "A Stationary Drake Equation Distribution as a Balance of Birth-death Processes", RNAAS, 5, 44: https://iopscience.iop.org/article/10.3847/2515-5172/abeb7b ::Music:: Music licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], or via Creative Commons (CC) Attribution License (https://creativecommons.org/licenses/by/4.0/), or with permission from the artist ► "Waking Up" by Atlas ► "Always Dreaming" by Caleb Etheridge ► "The Sun is Scheduled to Come Out Tomorrow" by Chris Zabriskie ► "Y" by Joachim Heinrich ► "Fusion" by Indive ► "Cylinder Five" by Chris Zabriskie ► "The Oceans Continue to Rise" by Chris Zabriskie ► "Stories About the World That Once Was" by Chris Zabriskie ► "Trace Correction" by Indive ::Movies clips used:: ► The Time Machine (2002) DreamWorks/Warner Bros. ► Noah (2014) Paramount Pictures ::Chapters:: 0:00 Drakonian Time 9:37 The Birth-Death Formalism 15:25 Some Consequences of the Birth-Death Formalism 22:14 Final Thoughts Thumbnail by Paul Brennus: https://paulboy.artstation.com/store/art_posters/m9Bx/lost-in-mind #DrakeEquation #AreWeAlone #CoolWorlds Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 8 min

    Is Moore's Law Ending?

    Moore's Law has given us exponential improvements in computer technology for many decades, benefiting everything from astrophysics to iPhones, but is it about to end? Jamie Teherani a Columbia Professor of Electrical Engineering, swung by the Cool Worlds Lab to explain what Moore's Law is all about and predict it's future. ::More about this Video:: ► Jamie Teherani explains how a computer works video: https://youtu.be/8cVsgFN3hSM ► Video of a black hole tidal disruption event courtesy of NASA: https://youtu.be/hu6hIhW00Fk ► Cool Worlds Lab website: http://coolworlds.astro.columbia.edu ► Columbia University Department of Astronomy: http://www.astro.columbia.edu ► Outro music by Daft Punk "Harder, Better, Stronger, Faster": http://www.daftpunk.com and http://smarturl.it/DaftPunkiTunes ::Playlists For Channel:: Latest Cool Worlds Videos ► http://bit.ly/NewCoolWorlds Cool Worlds Research ► http://bit.ly/CoolWorldsResearch Guest Videos ► http://bit.ly/CoolWorldsGuests Q&A Videos ► http://bit.ly/CoolWorldsQA Science of TV/Film ► http://bit.ly/ScienceMovies ::Follow us:: SUBSCRIBE to the channel http://bit.ly/CoolWorldsSubscribe Cool Worlds Lab http://coolworlds.astro.columbia.edu Twitter https://twitter.com/david_kipping Instagram https://www.instagram.com/cool.worlds THANKS FOR WATCHING!! Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Today · 17 min

    Nobel Prize Physics 2017 for Gravitational Waves! | Nick Stone

    The Nobel Prize for Physics 2017 was announced this week and astronomers won the day! So who won the prize and why? This week Dr Nick Stone swung by the Cool Worlds Lab to tell us about the historic discovery of graviational waves from merging black holes and how this year's winner pioneered methods to discover them. ::More about this Video:: ► Nobel Prize in Physics 2017 announcement: https://www.nobelprize.org/nobel_prizes/phys… ► Abbott et al. (2016), "Observation of Gravitational Waves from a Binary Black Hole Merger": https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.116.061102 ► Barish & Weiss (1999), "LIGO and the Detection of Gravitational Waves": http://scitation.aip.org/content/aip/magazine/physicstoday/article/52/10/10.1063/1.882861 ► Columbia University Department of Astronomy: http://www.astro.columbia.edu ► Cool Worlds Lab website: http://coolworlds.astro.columbia.edu ► Outro music by 8-bit Universe "Harder Better Faster Stronger [8 Bit Cover Tribute to Daft Punk]": https://8bituniverse.bandcamp.com/track/harder-better-faster-stronger-8-bit-tribute-to-daft-punk ::Playlists For Channel:: Latest Cool Worlds Videos ► http://bit.ly/NewCoolWorlds Cool Worlds Research ► http://bit.ly/CoolWorldsResearch 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 ::Follow us:: SUBSCRIBE to the channel http://bit.ly/CoolWorldsSubscribe Cool Worlds Lab http://coolworlds.astro.columbia.edu Twitter https://twitter.com/david_kipping Instagram https://www.instagram.com/cool.worlds THANKS FOR WATCHING!! Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Yesterday · 22 min

    Why We Might Live in a "Barely Habitable" Universe

    Use code coolworlds at https://incogni.com/coolworlds to get an exclusive 60% off an annual Incogni plan. Intelligent design purports that the Universe was made by a creator - God. One of the arguments often invoked to make this case is that the physical constants of the Universe are (apparently) finely tuned to permit life. But cosmologist Denis Sciama presented a thought-provoking analysis of this line of thought and suggested it might be possible to even test intelligent design. Join us today as we explore this fascinating concept. Written & presented by David Kipping, edited by Jorge Casas → Support our research: https://www.coolworldslab.com/support → Get merch: https://crowdmade.com/collections/cool-worlds → Check out our podcast: www.youtube.com/@CoolWorldsPodcast THANK-YOU to D. Smith, C. Bottaccini, D. Daughaday, S. Brownlee, E. West, T. Zajonc, A. De Vaal, M. Elliott, B. Daniluk, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, C. Souter, M. Gillette, J. Rockett, M. Sanford, T. Donkin, A. Schoen, K. Dabrowski, J. Armstrong, B. Smith, J. Bergman, C. Macdonald, M. Hedlund, N. Corwin, K. Howard, G. Metts, R. Provost, G. Fullwood, N. De Haan, R. Williams, E. Garland, R. Lovely, D. Compos, F. Demopoulos, T. Edris, M. O'Brien, D. Lee, M. Czirr, I. Williams, B. Reese, A. Nimmerjahn, C. Seay, D. Johnson, L. Cunningham, M. Morrow, M. Campbell, B. Devermont, P. Borisoff, H. Schiff, J. Cos, C. Hansen, R. Chaffee, A. Ortiz, B. McMillan, B. Cartmell, J. Bryant, J. Obioma, M. Zeiler, S. Murray, S. Patterson, C. Kennedy, G. Le Saint, W. Ruf, A. Kochkov, B. Langley, P. Stevenson, T. Ford, A. Laroye, I. Venzor, R. Raszka, B. Gaalen, J. Alley, D. Aron, G. Thomsen, S. Shardool, A. Phan Le, N. Offor, A. Huch, J. Morrison, C. Fitzsimmons, W. Smith, A. Twyman, B. Burgess, B. Bueche, D. Hoffman, J. Murphy, J. Matters, R. Borbidge, A. Singh, S. Larter, M. Adler, B. Ross-Lee & C. Frederick. REFERENCES ► E. Siegel, 2015, "It Takes 26 Fundamental Constants To Give Us Our Universe, But They Still Don't Give Everything", Forbes: https://www.forbes.com/sites/ethansiegel/2015/08/22/it-takes-26-fundamental-constants-to-give-us-our-universe-but-they-still-dont-give-everything/ ► Z.-W. Wang & S. L. Braunstein, 2024, "Life in a random universe: Sciama's argument reconsidered", ApJ, 962, 8: https://arxiv.org/abs/2109.10241 ► Z.-W. Wang & S. L. Braunstein, 2023, "Sciama's argument on life in a random universe: Distinguishing apples from oranges", Nature Astronomy, 7, 755: https://arxiv.org/abs/2306.14934 MUSIC Licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], Artlist.io, via CC Attribution License (https://creativecommons.org/licenses/by/4.0/) or with permission from the artist. You can see all of our past music here: https://open.spotify.com/playlist/0Bu2UQlKDb0KaeliLZUOZn 0:00 Hill - A Thin Place [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] 4:59 Hill - Arctic Warmth [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] 7:38 Hill - World of Wonder [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] 9:06 Hill - Conception [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] 11:05 Hill - Mourning Wakes [https://open.spotify.com/artist/1hdkvBtRdOW4SPsnxCXOjK] CHAPTERS 0:00 Fine-Tuning 3:06 Sciama's Original Argument 7:37 Incogni 9:08 The New Argument 12:08 My Two Cents 15:30 Outro & Credits #IntelligentDesign #FineTuning #CoolWorlds Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Yesterday · 34 min

    A MILLION MPH

    How fast are you moving? Remarkably you are moving, by some definitions, around a million miles per hour. But, why don't we feel this motion? Is this speed useful in some way? And what does the question of speed really even mean? Join us today as Cool Worlds explores our motion through space. Written and presented by Prof David Kipping. You can support our research program and the Cool Worlds Lab at Columbia University: https://www.coolworldslab.com/support Get Stash here! https://teespring.com/stores/cool-worlds-store Thank-you to our supporters T. Widdowson, D. Smith, M. Sloan, L. Sanborn, C. Bottaccini, D. Daughaday, A. Jones, S. Brownlee, M. Lijoi, Z. Star, T. Zanjonc, C. Wolfred, F. Rebolledo, L. Skov, E. Wilson, M. Elliot, B. Daniluk, J. Patrick-Saunders, M. Forbes, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, V. Alexandrov, L. Macchia, C. Souter, M. Gillette, T. Jeffcoat, H. Jensen, F. Linker, J. Rockett, N. Fredrickson, B. Mlazgar, D. Holland, J. Alexander, B. Edelman, G. Ganguly, T. Plant & D. Alicen. ::Music:: Music licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], or via Creative Commons (CC) Attribution License (https://creativecommons.org/licenses/by/4.0/), or with permission from the artist ► Joachim Heinrich - Y ► Falls - Life in Binary ► The Europa Protoharmonic Symphony Orchestra - Our Guests Have Arrived ► Atlas - Waking Up ► Holiday On The Moon - Everything That Matters ► Indive - Ion ► Chris Zabriskie - Music From Neptune Flux 10 ► Chris Zabriskie - Music From Neptune Flux 4 ► Chris Zabriskie - Cylinder 7 ::Video clips:: ► A Flight Through the Universe by Berkeley Lab/SDSS ► Kuba Jurkowski ► Aryeh Nirenberg @art_only ► BlueTurn with NASA/DSCOVR ► Discovery News - How Fast Are You Moving ► BBC Wonders of the Universe ► Pole Position Motorsport ► Bon Iver - Holocene (NE Direction) ► Earth orbit animation by Brad Freese ► The Expanse - Amazon Studios ► Juno slingshot by NASA/JPL/SwRI ► Voyager animation by NASA/JPL ► Zoom-out from Earth by ESO/spaceengine.org/L. Calcada ► Helical orbits by Thord Christoffersson, djsadu and Rhys Taylor ► Galactic orbit by American Museum of National History ► Galactic orbit animation by ESA ► Milkromeda collision by NASA/ESA/F. Summers/ G. Besla/ R. van der Marel ► Planck telescope animation by ESA ► Reionization animation by CITA/R. Kaehler/M. Alvarez/T. Abel ► Expanding universe animation by M. Kornmesser/L. Calcada/NASA/ESA/Hubble ► Milky Way animation by ESA/Hubble/M. Kornmesser/L. L. Christensen ::Film clips used:: ► Agora (2009) - Newmarket Films ► Interstellar (2014) - Paramount Pictures ► Inception (2010) - Warner Bros. Pictures ► First Man (2018) - Universal Pictures ► Drive (2011) - FilmDistrict ► Baby Driver (2017) - Sony Pictures Releasing ► Man of Steel (2013) - Warner Bros. Pictures ► Star Wars: The Last Jedi (2017) - Walt Disney Studio Motion Pictures ► Star Wars: The Rise of SkyWalker (2019) - Walt Disney Studio Motion Pictures ► The Assassination of Jesse James by the Coward Robert Ford (2007) - Warners Bros. Pictures ► Avatar (2009) - 20th Century Fox ► The Commuter (2018) - Lionsgate ::Chapters:: 0:00 Prologue 0:42 Perception 6:26 Terrestrial 10:54 Extra-Terrestrial 15:33 Extra-Solar 19:40 Extra-Galactic 25:11 Credits #MillionMPH #HowFastAreYouMoving #CoolWorlds Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Yesterday · 9 min

    A Cloaking Device for Planets

    NSF Graduate Fellow Alex Teachey of the Cool Worlds Lab explains our new paper which devises a method to cloak entire planets from extraterrestrial civilizations! This was a really fun little paper which started out from the idea of how to broadcast or signal our presence, but as we worked on it we realized it could also be used a cloaking device too. As always, ask us your questions in the comments below and we'll get back to you! ::More about this Video:: ► Kipping & Teachey (2016): "A Cloaking Device for Transiting Planets" http://arxiv.org/abs/1603.08928 ► BBC article on Stephen Hawking's comments about avoiding alien contact: http://news.bbc.co.uk/2/hi/8642558.stm ► Outro music by Taylor Davis: https://www.youtube.com/watch?v=dl9kI1yQKZk ::Playlists For Channel:: Latest Cool Worlds Videos ► http://bit.ly/NewCoolWorlds Cool Worlds Research ► http://bit.ly/CoolWorldsResearch Guest Videos ► http://bit.ly/CoolWorldsGuests Q&A Videos ► http://bit.ly/CoolWorldsQA Science of TV/Film ► http://bit.ly/ScienceMovies ::Follow us:: SUBSCRIBE to the channel http://bit.ly/CoolWorldsSubscribe Cool Worlds Lab http://coolworlds.astro.columbia.edu Twitter https://twitter.com/david_kipping Instagram https://www.instagram.com/cool.worlds THANKS FOR WATCHING!! Learn more about your ad choices. Visit megaphone.fm/adchoices

  • Yesterday · 47 min

    Why We Haven't Found Any Earth-Like Planets

    Twelve years ago, NASA predicted around 50 Earth-like planets would be discovered by the Kepler telescope, planets with the same size, warmth and host star as we do. And yet, we're left essentially none. What happened? Why did those predictions not match reality? And what can we learn from these 50 lost dreams... Written & presented by Prof David Kipping → Support our research program: https://www.coolworldslab.com/support → Get Stash here! https://teespring.com/stores/cool-worlds-store THANK-YOU to our supporters D. Smith, M. Sloan, L. Sanborn, C. Bottaccini, D. Daughaday,A. Jones, S. Brownlee, G. Fulton, N. Kildal, M. Lijoi, Z. Star, E. West, T. Zanjonc, C. Wolfred, F. Rebolledo, L. Skov, E. Wilson, A. de Vaal, M. Elliott, B. Daniluk, M. Forbes, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, V. Alexandrov, L. Macchia, C. Souter, M. Gillette, T. Jeffcoat, H. Jensen, F. Linker, J. Rockett, N. Fredrickson, B. Mlazgar, D. Holland, J. Alexander, E. Hanway, J. Molnar, D. Murphree, S. Hannum, T. Donkin, K. Myers, A. Schoen, K. Dabrowski, J. Black, R. Ramezankhani, J. Armstrong, K. Weber, S. Marks, L. Robinson, F. van Exter, S. Roulier, B. Smith, P. Masterson, R. Sievers, G. Canterbury, J. Kill, J. Cassese, J. Kruger, S. Way, P. Deschaine, B. Stanciu & A. Pirogov. ::References:: ► NASA Exoplanet Archive: https://exoplanetarchive.ipac.caltech.edu/cgi-bin/TblView/nph-tblView?app=ExoTbls&config=cumulative ► Borucki & Summers (1984), "The photometric method of detecting other planetary systems": https://ui.adsabs.harvard.edu/abs/1984Icar...58..121B ► Borucki et al. (1996), "FRESIP: A Mission to Determine the Character and Frequency of Extra-Solar Planets Around Solar-Like Stars": https://ui.adsabs.harvard.edu/abs/1996Ap&SS.241..111B ► Borucki et al. (1997), "The Kepler Mission: A Mission To Detennine The Frequency Of Inner Planets Near The Habitable Zone For A Wide Range Of Stars": https://ui.adsabs.harvard.edu/abs/1997ASPC..119..153B ► Borucki et al. (2003), "The Kepler Mission: Finding the Sizes, Orbits and Frequencies of Earth-size and Larger Extrasolar Planets": https://ui.adsabs.harvard.edu/abs/2003ASPC..294..427B ► Borucki et al. (2003), "Kepler Mission: a mission to find Earth-size planets in the habitable zone": https://ui.adsabs.harvard.edu/abs/2003ESASP.539...69B ► Borucki et al. (2004), "The Kepler mission: a technical overview": https://ui.adsabs.harvard.edu/abs/2004ESASP.538..177B ► Quintana et al. (2014), "An Earth-sized Planet in the Habitable Zone of a Cool Star": https://arxiv.org/abs/1404.5667 ► Jenkins et al. (2015), "Discovery and Validation of Kepler-452b: A 1.6-Re Super Earth Exoplanet in the Habitable Zone of a G2 Star": https://arxiv.org/abs/1507.06723 ► Mullaly et al. (2018), "Kepler's Earth-like Planets Should Not Be Confirmed Without Independent Detection: The Case of Kepler-452b": https://arxiv.org/abs/1803.11307 ► Burke et al. (2019), "Re-Evaluating Small Long-Period Confirmed Planets From Kepler": https://arxiv.org/abs/1901.00506 ► The LUVOIR team (2019), "The LUVOIR Mission Concept Study Final Report", https://arxiv.org/abs/1912.06219 ► Borucki et al. (2020), "Science merit function for the Kepler mission": https://ui.adsabs.harvard.edu/abs/2020JATIS...6d4003B ► Christiansen et al. (2020): "Measuring Transit Signal Recovery in the Kepler Pipeline. IV. Completeness of the DR25 Planet Candidate Catalog": https://arxiv.org/abs/2010.04796 ► Astro 2020 Decadal Survey: https://nap.edu/resource/26141/interactive/ ::Music:: Music licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], or via Creative Commons (CC) Attribution License (https://creativecommons.org/licenses/by/4.0/), or with permission from the artist ► Brad Hill - Evening Approaches (0:00) [https://open.spotify.com/album/4pmiXcyRpPlFjWjb45pYLx] ► Atlas - Waking Up (01:48) ► Brad Hill - There is but One Good (03:54) [https://open.spotify.com/ Learn more about your ad choices. Visit megaphone.fm/adchoices

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