The asteroid that came close to erasing life on Earth - Sean P. S. Gulick episode artwork

EPISODE · Jun 12, 2026 · 7 MIN

The asteroid that came close to erasing life on Earth - Sean P. S. Gulick

from TED-Ed · host TED-Ed

Dig into what happened after the Chicxulub asteroid hit the Earth, and how it caused a mass extinction— including dinosaurs.--Sixty-six million years ago, near what’s now the Yucatán Peninsula, a juvenile sauropod feasted on horsetail plants on a riverbank. Earth was a tropical planet. Behemoth and tiny dinosaurs alike soared its skies and roamed its lands while reptiles and tentacled ammonites swept its seas. But, in an instant, everything would change. Sean P. S. Gulick details one of Earth's most devastating periods.Lesson by Sean P. S. Gulick, directed by Jeff Le Bars, JetPropulsion.spaceThis video made possible in collaboration with Speed & ScaleLearn more about how TED-Ed partnerships work: https://bit.ly/TEDEdPartnersSupport Our Non-Profit Mission----------------------------------------------Support us on Patreon: http://bit.ly/TEDEdPatreonCheck out our merch: http://bit.ly/TEDEDShop----------------------------------------------Connect With Us----------------------------------------------Sign up for our newsletter: http://bit.ly/TEDEdNewsletterFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagram----------------------------------------------Keep Learning----------------------------------------------View full lesson: https://ed.ted.com/lessons/what-really-killed-the-dinosaurs-it-wasn-t-just-the-asteroid-sean-p-s-gulickDig deeper with additional resources: https://ed.ted.com/lessons/what-really-killed-the-dinosaurs-it-wasn-t-just-the-asteroid-sean-p-s-gulick/digdeeperEducator's website: https://www.jsg.utexas.eduAnimator's website: https://jetpropulsion.spaceMusic: http://www.wonderboyaudio.comSound design: https://yessian.com----------------------------------------------Thank you so much to our patrons for your support! Without you this video would not be possible! Lex Azevedo, Michael Aquilina, Jason A Saslow, Yansong Li, Cristóbal Moenne, Dawn Jordan, Prasanth Mathialagan, Samuel Doerle, David Rosario, Dominik Kugelmann - they-them, Siamak Hajizadeh, Ryohky Araya, Mayank Kaul, Christophe Dessalles, Heather Slater, Sandra Tersluisen, Zhexi Shan, Bárbara Nazaré, Andrea Feliz, Victor E Karhel, Sydney Evans, Latora, Noel Situ, emily lam, Sid, Niccolò Frassetto, Mana, I'm here because of Knowledge Fight Facebook group., Linda Freedman, Edgardo Cuellar, Jaspar Carmichael-Jack, Michael Burton, VIVIANA A GARCIA BESNE, The Vernon's, Olha Bahatiuk, Jesús Bíquez Talayero, Chels Raknrl, Sai Pranavi Jonnalagadda, Stuart Rice, Jing Chen, Vector-Dopamine math, Jasper Song, Giorgio Bugnatelli, Chardon, Eddy Trochez, OnlineBookClub.org, Eric Shear, Leith Salem, Omar Hicham and Adrian Rotaru.----------------------------------------------Images and references used in the creation of this animation: Stock Images from https://pixabay.com: Sunflower - RayMarkGrass - Hundankbargarbage - ds_30Iceberg - MakaberaPolar bear - iribagrova8176Sketchfab, https://sketchfab.com: Triceratops - ZacxophoneCarnotaurus - MagoriusTyrannosaurus Rex - RigstersTemple - Maks SokolowskiHuman skeleton - Ruslan GadzhievMouse - Just8Saberwing - MooreLabFrog - https://ffish.asia / https://florazia.comRhododendron - https://ffish.asia / https://florazia.comTsukushi Rose - https://ffish.asia / https://florazia.comOrchid - sarahGBWood stick - 3dhdscanWood louse - .hapto GmbHBush - MarblesLichen - Frank McMainsAloa Vera - nedoLab - vikliaLab gear - dercruz926VHS - Terrible HardOld computers - sudreyskrLab machine - guillemvilahFloppy disk - oceanMachine - KlinepeterMission control console - TheoClarkeOld computer - Freepoly.orgOld nuclear computer - P3TroVOsborne - Denis Afanasjevvintage terminal - NoMoreFeelingsAll Sketchfab models are licensed under Creative Commons attribution: https://creativecommons. Learn more about your ad choices. Visit megaphone.fm/adchoices

Dig into what happened after the Chicxulub asteroid hit the Earth, and how it caused a mass extinction— including dinosaurs.--Sixty-six million years ago, near what’s now the Yucatán Peninsula, a juvenile sauropod feasted on horsetail plants on a riverbank. Earth was a tropical planet. Behemoth and tiny dinosaurs alike soared its skies and roamed its lands while reptiles and tentacled ammonites swept its seas. But, in an instant, everything would change. Sean P. S. Gulick details one of Earth's most devastating periods.Lesson by Sean P. S. Gulick, directed by Jeff Le Bars, JetPropulsion.spaceThis video made possible in collaboration with Speed & ScaleLearn more about how TED-Ed partnerships work: https://bit.ly/TEDEdPartnersSupport Our Non-Profit Mission----------------------------------------------Support us on Patreon: http://bit.ly/TEDEdPatreonCheck out our merch: http://bit.ly/TEDEDShop----------------------------------------------Connect With Us----------------------------------------------Sign up for our newsletter: http://bit.ly/TEDEdNewsletterFollow us on Facebook: http://bit.ly/TEDEdFacebookFind us on Twitter: http://bit.ly/TEDEdTwitterPeep us on Instagram: http://bit.ly/TEDEdInstagram----------------------------------------------Keep Learning----------------------------------------------View full lesson: https://ed.ted.com/lessons/what-really-killed-the-dinosaurs-it-wasn-t-just-the-asteroid-sean-p-s-gulickDig deeper with additional resources: https://ed.ted.com/lessons/what-really-killed-the-dinosaurs-it-wasn-t-just-the-asteroid-sean-p-s-gulick/digdeeperEducator's website: https://www.jsg.utexas.eduAnimator's website: https://jetpropulsion.spaceMusic: http://www.wonderboyaudio.comSound design: https://yessian.com----------------------------------------------Thank you so much to our patrons for your support! Without you this video would not be possible! Lex Azevedo, Michael Aquilina, Jason A Saslow, Yansong Li, Cristóbal Moenne, Dawn Jordan, Prasanth Mathialagan, Samuel Doerle, David Rosario, Dominik Kugelmann - they-them, Siamak Hajizadeh, Ryohky Araya, Mayank Kaul, Christophe Dessalles, Heather Slater, Sandra Tersluisen, Zhexi Shan, Bárbara Nazaré, Andrea Feliz, Victor E Karhel, Sydney Evans, Latora, Noel Situ, emily lam, Sid, Niccolò Frassetto, Mana, I'm here because of Knowledge Fight Facebook group., Linda Freedman, Edgardo Cuellar, Jaspar Carmichael-Jack, Michael Burton, VIVIANA A GARCIA BESNE, The Vernon's, Olha Bahatiuk, Jesús Bíquez Talayero, Chels Raknrl, Sai Pranavi Jonnalagadda, Stuart Rice, Jing Chen, Vector-Dopamine math, Jasper Song, Giorgio Bugnatelli, Chardon, Eddy Trochez, OnlineBookClub.org, Eric Shear, Leith Salem, Omar Hicham and Adrian Rotaru.----------------------------------------------Images and references used in the creation of this animation: Stock Images from https://pixabay.com: Sunflower - RayMarkGrass - Hundankbargarbage - ds_30Iceberg - MakaberaPolar bear - iribagrova8176Sketchfab, https://sketchfab.com: Triceratops - ZacxophoneCarnotaurus - MagoriusTyrannosaurus Rex - RigstersTemple - Maks SokolowskiHuman skeleton - Ruslan GadzhievMouse - Just8Saberwing - MooreLabFrog - https://ffish.asia / https://florazia.comRhododendron - https://ffish.asia / https://florazia.comTsukushi Rose - https://ffish.asia / https://florazia.comOrchid - sarahGBWood stick - 3dhdscanWood louse - .hapto GmbHBush - MarblesLichen - Frank McMainsAloa Vera - nedoLab - vikliaLab gear - dercruz926VHS - Terrible HardOld computers - sudreyskrLab machine - guillemvilahFloppy disk - oceanMachine - KlinepeterMission control console - TheoClarkeOld computer - Freepoly.orgOld nuclear computer - P3TroVOsborne - Denis Afanasjevvintage terminal - NoMoreFeelingsAll Sketchfab models are licensed under Creative Commons attribution: https://creativecommons. Learn more about your ad choices. Visit megaphone.fm/adchoices

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The asteroid that came close to erasing life on Earth - Sean P. S. Gulick

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Dig into what happened after the Chicxulub asteroid hit the Earth, and how it caused a mass extinction— including dinosaurs.--Sixty-six million years ago, near what’s now the Yucatán Peninsula, a juvenile sauropod feasted on horsetail plants on a...

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