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Stephen Hawking thought an asteroid impact posed the greatest threat to life on Earth. Thanks to Kiwico for sponsoring this video. For 50% off your first month of any crate, go to 🤍kiwico.com/veritasium50 For other potential world ending catastrophes, check out Domain of Science: 🤍ve42.co/DoS Special thanks to: Prof. Dave Jewitt from UCLA Earth, Planetary, and Space Sciences Prof. Mark Boslough from Sandia National Labs Scott Manley: 🤍🤍youtube.com/user/szyzyg Ryan Wyatt at Morrison Planetarium Prof. Amy Mainzer Alexandr Ivanov for the opening shot of Chelyabinsk Meteor Maps of Asteroid Impacts —🤍ve42.co/Map Time passing animation from Universe Sandbox - 🤍universesandbox.com/ Opposition Effect — 🤍ve42.co/Belskaya2000 Belskaya, I. N., & Shevchenko, V. G. (2000). Opposition effect of asteroids. Icarus, 147(1), 94-105. Potentially Hazardous Asteroids — 🤍ve42.co/Perna2013 Perna, D., Barucci, M. A., & Fulchignoni, M. (2013). The near-Earth objects and their potential threat to our planet. The Astronomy and Astrophysics Review, 21(1), 65. Survey of Potentially Hazardous Asteroids — 🤍ve42.co/NEOSurvey Population Vulnerability — 🤍ve42.co/Rumpf2017 Rumpf, C. M., Lewis, H. G., & Atkinson, P. M. (2017). Population vulnerability models for asteroid impact risk assessment. Meteoritics & Planetary Science, 52(6), 1082-1102. Size distribution of NEOs — 🤍ve42.co/Trilling17 Trilling, D. E., Valdes, F., Allen, L., James, D., Fuentes, C., Herrera, D., ... & Rajagopal, J. (2017). The size distribution of near-earth objects larger than 10 m. The Astronomical Journal, 154(4), 170. 2020 NEOWISE Data Release — 🤍ve42.co/NEOWISE National Research Council Report— 🤍ve42.co/Defending Board, S. S., & National Research Council. (2010). Defending planet earth: Near-Earth-Object surveys and hazard mitigation strategies. National Academies Press. Tug Boat — 🤍ve42.co/Schweickart03 Schweickart, R. L., Lu, E. T., Hut, P., & Chapman, C. R. (2003). The asteroid tugboat. Scientific American, 289(5), 54-61. Gravity Tractor 1 — 🤍ve42.co/Lu05 Lu, E. T., & Love, S. G. (2005). Gravitational tractor for towing asteroids. Nature, 438(7065), 177-178. Laser Ablation — 🤍ve42.co/Thiry14 Thiry, N., & Vasile, M. (2014). Recent advances in laser ablation modelling for asteroid deflection methods. SPIE Optical Engineering+ Applications, 922608-922608. Yarakovsky Effect — 🤍ve42.co/Yara DART Mission — 🤍ve42.co/DART Nuclear 1 — 🤍ve42.co/Ahrens92 Ahrens, T. J., & Harris, A. W. (1992). Deflection and fragmentation of near-Earth asteroids. Nature, 360(6403), 429-433. Nuclear 2 — 🤍ve42.co/Bradley10 Bradley, P. A., Plesko, C. S., Clement, R. R., Conlon, L. M., Weaver, R. P., Guzik, J. A., ... & Huebner, W. F. (2010, January). Challenges of deflecting an asteroid or comet nucleus with a nuclear burst. In AIP Conference Proceedings (Vol. 1208, No. 1, pp. 430-437). American Institute of Physics. Researched and Written by Petr Lebedev, Jonny Hyman and Derek Muller 3D animations, VFX, SFX, Audio Mixing by Jonny Hyman 2D animation by Ivy Tello Intro animation by Nicolas Pratt With Filming by Raquel Nuno Music from 🤍epidemicsound.com "Stellar Dance" "Orbit" "That Notebook" "What We Discovered" "Out of Poppies" "Handwriting" Images and video supplied by Getty Images
Interesting he didn't mention the method DART used when going over possible methods to deflect an asteroid, which is just crashing a spacecraft into it.
Great video. But the impact chance discussion completely ignores long period comets.
It’s another very small chance. But an absolute monster could come from the Kuiper belt with mere months to impact.
Asteroids we can survey. Comets, not so much.
That's the reason why we should enjoy this life. This very short life. Yep, this FuckingLife is extremely short.
Enjoy as much as we can before any ShitHappens or another Asteroid hits this planet again.
We Only Live Once (WOLO)
Yep, Just Once. One and Only Shot. The Ugly Truth. 😢
If you’re paranoid about an asteroid hitting earth, NASA’s dart mission recently and successfully hit a 170m asteroid and changed its course.
If there are aliens and there watching us evolve, a super deadly asteroid will not kill us because there most likely preventing it from happening. If a huge asteroid has hit us before so so long ago why hasn't one hit us again? I have a theory the aliens are watching very closely and waiting until we evolve to the point where we don't have wars. Where we don't hate eachother. Where were not concerned about pronouns. Things like that.
ఆస్టరోయిడ్స్ విశ్వం లో ప్రయానించే వీడియో లు బాగుంటాయి ఒక ఆస్టరోయిడ్స్ స్పేస్ లో ప్రయాణిస్తోంది అలా వెళుతున్న ఆరాయి చూపించు. 👌👌👌👌👌👌👌👌
What if, u could deflect the asteroid just enough to hit outside the city. Yeah damage will be cause but it won't be something that we can't undo!.
Props to the camera man who went back on time to record the Dino’s dying
So 30km/340m.s-1 ~ 1m30s. Don't stay at the window
I can now clearly see why asteroids are probably the scariest subject to discuss in Astronomy. Even in the age of the dinosaur, they went extinct due to an asteroid collision on Earth many years ago. That's exactly the thought of "if it were to happen tomorrow or even later, how would we prepare for it?"
Fake news its a lie don't let them control u
OK, there are no asteroids worth worrying about. If it's going to happen it will happen and you're worry will just give you a headache while you wait for it. Veritasium. Creating bad moods simply because you will have one.
I like to day dream about happy things.
Just how large of a asteroid is needed to obliterate Detroit ?
It’s comforting to know the hateful ppl on this wonderful planet that we don’t deserve will some day be obliterated. I’m not worried about astroids hitting the earth at all. Bring it on. I’m ready to go… Only worried about my kids and the fear they would feel and not being able to say goodbye… but if we’re all dead, none of it would matter. Humanity would be erased from the history of the universe as if we never existed. So does your football game seem so important now? Is that gossip at the office seem like something you really should share now? Does the fact that your wife weighs more than you would like her to even matter? No you dickless son of a bitch. Like neither does the fact that you can’t get hard without a pill and you haven’t seen your dick since you were 25 So. Yeah.
Wait! So you're saying that Armageddon wasn't a documentary?
Didnt know hunter s Thompson was still around
how did they miss an asteroid going to hit us?? yet they didn't miss the asteroid flying by earth??
Not gonna happen
Should be some diamonds there...
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