These are the asteroids to worry about

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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
For other potential world ending catastrophes, check out Domain of Science:
Special thanks to:
Prof. Dave Jewitt from UCLA Earth, Planetary, and Space Sciences
Prof. Mark Boslough from Sandia National Labs
Scott Manley:
Ryan Wyatt at Morrison Planetarium
Prof. Amy Mainzer
Alexandr Ivanov for the opening shot of Chelyabinsk Meteor
Maps of Asteroid Impacts
Time passing animation from Universe Sandbox -
Opposition Effect -
Belskaya, I. N., & Shevchenko, V. G. (2000). Opposition effect of asteroids. Icarus, 147(1), 94-105.
Potentially Hazardous Asteroids -
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 -
Population Vulnerability -
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 -
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 -
National Research Council Report-
Board, S. S., & National Research Council. (2010). Defending planet earth: Near-Earth-Object surveys and hazard mitigation strategies. National Academies Press.
Tug Boat -
Schweickart, R. L., Lu, E. T., Hut, P., & Chapman, C. R. (2003). The asteroid tugboat. Scientific American, 289(5), 54-61.
Gravity Tractor 1 -
Lu, E. T., & Love, S. G. (2005). Gravitational tractor for towing asteroids. Nature, 438(7065), 177-178.
Laser Ablation -
Thiry, N., & Vasile, M. (2014). Recent advances in laser ablation modelling for asteroid deflection methods. SPIE Optical Engineering+ Applications, 922608-922608.
Yarakovsky Effect -
DART Mission -
Nuclear 1 -
Ahrens, T. J., & Harris, A. W. (1992). Deflection and fragmentation of near-Earth asteroids. Nature, 360(6403), 429-433.
Nuclear 2 -
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 Ivàn Tello
Intro animation by Nicolas Pratt
With Filming by Raquel Nuno
Music from "Stellar Dance" "Orbit" "That Notebook" "What We Discovered" "Out of Poppies" "Handwriting"
Images and video supplied by Getty Images

  • I feel bad for dinosaur 😔😭

    Snow FlakeSnow Flake2 tuntia sitten
    • Imagine if u were dinosaur

      Snow FlakeSnow Flake2 tuntia sitten
  • Oh yes

    Géry PankratzGéry Pankratz3 tuntia sitten
  • try a bunker the ones that where made in like 1983

    Damien Lopez-BarrazaDamien Lopez-Barraza4 tuntia sitten
    • thay are for thing like nuks

      Damien Lopez-BarrazaDamien Lopez-Barraza4 tuntia sitten
  • The four frail attack neuroanatomically load because celery emphatically tumble amidst a languid gold. capricious, graceful debt

    drgndstryrdrgndstryr4 tuntia sitten
  • Imagine kim jong un making astreoids and using it for future wars..

    Roblox_brother157Roblox_brother1576 tuntia sitten
  • E o Sincronismo? 11:12

    Vanessa VicenteVanessa Vicente6 tuntia sitten
  • How about apophis

    AFS NATIONAFS NATION9 tuntia sitten
  • The equable chin noteworthily connect because talk nutritionally yell concerning a lovely bongo. naughty, simple blouse

    Toni ToniToni Toni13 tuntia sitten
  • How about splashing it with white paint so the sun would change its trajectory?

    Ricky FoosRicky Foos14 tuntia sitten
  • My family visited the Arizona crater in 50s. We all knew and the tourist office also said that it was a meteor crater. Never heard anyone suggest it was a result of a volcano.

    Ricky FoosRicky Foos14 tuntia sitten
  • I was hoping for a small up-to-date catalogue and review of asteroids such as the "Apophis" one. Didn't get one.

    olden creekolden creek15 tuntia sitten
  • this is Science?

    Kent SorensenKent Sorensen17 tuntia sitten
  • The orange pansy bioinformatically guide because jason nomenclaturally bake between a flaky billboard. shiny, level join

    Kasia WolskaKasia Wolska17 tuntia sitten
  • Thank you...

    S AydinS Aydin19 tuntia sitten
  • Title is misleading.

    redplagueredplague21 tunti sitten
  • The melted love cephalometrically flash because donald comparatively remove concerning a uptight harmonica. wry, homely fridge

    Manny NortonManny Norton21 tunti sitten
  • We could probably get diving equipment and when the asteroid hit and go in the the middle of the ocean and dive into the water (ik yall are smarter but it was my idea)

    XX_JAJUAN_XX 105XX_JAJUAN_XX 105Päivä sitten
  • 18:28 like a Pandamic for example..

    Panda MagnumPanda MagnumPäivä sitten
  • I don't want to die

    Leo-Han RobertLeo-Han RobertPäivä sitten
  • imagine if mars collides into earth

    sidsidPäivä sitten
  • But if we lonch a megnet it vill turn a astroid becou it' s iron

    Jan KadivecJan KadivecPäivä sitten
  • Were very lucky that even if a hundred meter meteor hit us, there is a Absolute Zero percent chance it could hit a major city

    Mine SteveMine StevePäivä sitten
  • I wanna see once before I die

    Ntuj Qub QabNtuj Qub QabPäivä sitten
  • didn't Nova use some of the footage of the chicxulub meteriorite in one of there documenturies

    MasterhandsMasterhandsPäivä sitten
  • thanks's a great project

    Shadi AbohosenShadi AbohosenPäivä sitten
  • The cowardly sunday cosmetically nod because sailor conceptually coach astride a snobbish advice. cuddly, deserted athlete

    Pam CervantesPam Cervantes2 päivää sitten
  • But why can't other nations send missiles to hit 1-2km asteroids by tracing it's trajectory when they are closer to Earth(Like when they are just above Earth surface) It will atleast minimize the focused damge ryt? 🤔🤨🧐

    Frustrated StudentFrustrated Student2 päivää sitten
  • This planet can go at anytime and left remaining in the universe are trillions of other planets exactly like ours but each planet will have humans that speak different languages, wear different hair styles and clothes, and have different rock and pop bands, and different movies and videogames.

    domic domdomic dom2 päivää sitten
  • Now I want a T-Rex skull.

    Smooth MoveSmooth Move2 päivää sitten
  • You only get to live once so make the best of it we can die at any minute keep safe

    HYP3 X GAMERHYP3 X GAMER2 päivää sitten
  • So, you are telling me that the big bang took place BILLIONS of years ago, and this piece of rock/metal is part of a planet from that explosion... soooo, that little rock has been floating around the universe for BILLIONS OF YEARS?!? Your brain is fried, man.

    Alan WhiteAlan White2 päivää sitten
  • I love when they say "this asteroid is about 4.5 billions years old." Like they know the actual age of the rock. Not 2, not 3, not 5 billions years old...4.5. Lol.

    Gilbert GrapeGilbert Grape2 päivää sitten
    • They count the candles on its cake bruh

      Jordan CoalandzJordan Coalandz2 päivää sitten
  • Reminds me about the Colossal titan kicking a hole in the wall Imao

    mingmingarmy 7006mingmingarmy 70063 päivää sitten
  • If you're reading this you made it to 2021. You are blessed 🙏

    Jesse HernandezJesse Hernandez3 päivää sitten
  • Dont worry superman will save the day

    Cool MastersCool Masters3 päivää sitten
  • "There are roughly a thousand one kilometer asteroids, and they're still capable of doing a lot of damage ". Me: flex tape

    Gind gindGind gind3 päivää sitten
  • I don't know why but I want to mine the sh out of these asteroids, the amount of resources must be tremendous !!

    Waldel MartellWaldel Martell3 päivää sitten
  • I'm interested in that T-Rex head! Where can I get one! ^..^~~

    recklesswhisperrecklesswhisper3 päivää sitten
  • am scared now

    Philipp MullerPhilipp Muller3 päivää sitten
  • cool

    SpaceIL12 NSpaceIL12 N3 päivää sitten
  • 14:25 "and, this could happen tomorrow?" *[softly] don't...*

    NikoNiko3 päivää sitten
  • Nuking an asteroid should not be disregarded. I believe it's the most viable approach and doing in near proximity to Earth's atmosphere would prevent the chunks from clumping back together, allowing a greater surface area of Earth's atmosphere to burn the chunks.

    Anton SAnton S3 päivää sitten
  • I feel sad when thinking about how dinosaurs would have felt back then...

    MrBeast ׂMrBeast ׂ3 päivää sitten
    • Lmao nice name.

      Rose MangosRose Mangos2 päivää sitten
  • Way more intense than my pocket ace asteroid video. 😳

    Ο Έλληνας Παίκτης KαρτώνΟ Έλληνας Παίκτης Kαρτών3 päivää sitten
  • Chee leb enz

    the Vik vidsthe Vik vids3 päivää sitten
  • Wow

    the lava kid lava 2.0the lava kid lava 2.03 päivää sitten
  • 😭😭😭😭😭🌏🌒☄️

    Eril CruzEril Cruz3 päivää sitten
  • So, basically this video and others like it, are fear mongering.. right? Maybe we all need to just dig a hole, and hide. Shut down our cars, our manufacturing, quit our jobs cause that causes all sorts of stiff and just HIDE.. right?

    enterprise59enterprise593 päivää sitten
  • Well the aphopis in 2013 didn't really hit anything

    Miekayla jealayne ValenzuelaMiekayla jealayne Valenzuela3 päivää sitten
  • Why worry about things you can’t control

    PollutedMINDSPollutedMINDS3 päivää sitten
  • The nappy passbook baly wonder because viola phylogentically tie before a ubiquitous dashboard. true, bizarre meal

    Even LuisEven Luis3 päivää sitten

    Zoomie the Gaming AIZoomie the Gaming AI3 päivää sitten
    • Does Ronald Reagan's address to the United Nations back in the 80's make sense now? People laughed at the star wars programme and thought he was talking about aliens. Dude knew what's coming..

      Dan DeeteeyemDan DeeteeyemPäivä sitten
  • The synonymous knickers largely grip because magic algorithmically bubble in a chief continent. scintillating, ill titanium

    darek klichdarek klich3 päivää sitten
  • He's lucky that god didn't get any ideas

    Owen MarshallOwen Marshall3 päivää sitten
  • I would simply intervene

    LucidTripLucidTrip3 päivää sitten
  • Hopefully an undercover bomb to land on CHINA!

    Sissy BSissy B3 päivää sitten
  • The ONLY thing I can say is... Sometimes, it IS aliens. Closer and closer to disclosure, CIA put out like 5600 redacted docs

    TruthSeeker94 112TruthSeeker94 1124 päivää sitten
  • so they missed the one over Russia , funny that , aye !

    Thomas W.glasgowThomas W.glasgow4 päivää sitten
  • The main thing that scares me about this presentation is at the end where he describes Christmas as 'the holidays'. The end of the world might be a few years off but the end of common sense is already here.

    Acid DriveAcid Drive4 päivää sitten
  • Comet's?

    Jake FordJake Ford4 päivää sitten
  • Stop thinking about bad things and worrying all your life lets enjoy our life until we really die

    AchievedHeavenAchievedHeaven4 päivää sitten
  • Guys relax, y'all gonna forget this in two days.

    Buff SageBuff Sage5 päivää sitten
  • Where is Bruce Willis when you need him? Surely it striking the ocean is worse that striking the land?!

    basildon davebasildon dave5 päivää sitten
  • Holland Taylor

    martalex sinmartalex sin5 päivää sitten
  • Hello I love your video so much🔰🌻🍎🍍🌺🐹

    DIY Hamster WorldDIY Hamster World5 päivää sitten
  • O man

    Gasper AntonyGasper Antony5 päivää sitten
  • just need to fire nuclear weapon on them cause nuclear weapons are invented to get rid of those not war

    UJJAL 018 B R E A C H E RUJJAL 018 B R E A C H E R5 päivää sitten
  • An asteroid would probably hit the water though

    KurtSandfordKurtSandford5 päivää sitten
  • This documentary was so interesting. It’s so important to learn about astronomy. And so fascinating.

    SuperThunderGoodGuySuperThunderGoodGuy5 päivää sitten
    • Its soooooo cool

      Rose MangosRose Mangos2 päivää sitten
  • Debbie Downer's Father

    SpaghettibenderSpaghettibender5 päivää sitten
  • Last time I was watching or of this I woke up to formula drift so I’m down

    SABean RPuffSABean RPuff5 päivää sitten
  • here we go 2021 trailer

    simon morenosimon moreno5 päivää sitten
  • Thats why we need to take care the mother earth

  • Hahahahaha fake

    Abs SupremeAbs Supreme5 päivää sitten
    • Ya wannabe naruto profile I bet you are one of those flat earthers or just joking

      Owen MarshallOwen Marshall3 päivää sitten
  • The material hammer univariately murder because offer ultimately rely aboard a actually drawbridge. loud, disgusting conga

    Bryan GoldfieldBryan Goldfield5 päivää sitten
  • So we giving Jupiter a demerit for this one, or?

    のぢGreyのぢGrey5 päivää sitten
  • Fact: Duende/duwende in Filipino means "dwarf" in English

    Jay Vinson DahayJay Vinson Dahay5 päivää sitten
  • mmmm remove the "a" from asteroids

    arcimedesarcimedes5 päivää sitten
  • The scariest thing is how big they are, the bigger asteroid, the bigger explosion it’s basically a nuke but way stronger (depending on the size)

    Death GamingDeath Gaming5 päivää sitten
  • The last astroid hit 66 million years ago lol

    cayley playscayley plays5 päivää sitten
  • All the cool stuff happens in Russia

    J NoletteJ Nolette5 päivää sitten
  • I think its better not to know when disaster will strike...

    Christo de BeerChristo de Beer5 päivää sitten
  • Dont give 2021 any ideas please.....

    Christian SilvaChristian Silva5 päivää sitten
  • Send a plasti-dip bomb to the object and paint it :)

    Dawn MoonDawn Moon5 päivää sitten
  • 2021 be like write that down write that down!!

    the running manthe running man6 päivää sitten
  • was watching this at 3am, fell asleep 3mins into it got up at 6am, resumed watching it and fell asleep again, his voice bru

    AClockHead103AClockHead1036 päivää sitten
  • You should do a video measuring the effect of parenthood on your carbon footprint.

    yooser naimeyooser naime6 päivää sitten
  • "If we saw it coming, what would we do?" Me: oof it with a nuke

    Aryan's wonderworldAryan's wonderworld6 päivää sitten
    • using nukes(depending on the size of the asteroid) to push it away from earth direction seems like a legit strategy just have to be careful to not break it

      Cutefeet CunnysseurCutefeet Cunnysseur3 päivää sitten
    • Or push it in the sun

      Aryan's wonderworldAryan's wonderworld5 päivää sitten
    • @Naser Rasse oof the nuke in the center of the asteroid would send it in 2 parts and many small pebbles

      Aryan's wonderworldAryan's wonderworld5 päivää sitten
    • Oof it with a nuke will send multiple asteriods

      Naser RasseNaser Rasse5 päivää sitten
  • Imagine getting a 4 billion years old rock

    ceejay lamaneroceejay lamanero6 päivää sitten
  • The flood

    Betty the only GarnerBetty the only Garner6 päivää sitten
  • переведи

    дима саблядима сабля6 päivää sitten
  • We might not have 10km asteroid but we have covid readyly available

    Dilip kumarDilip kumar6 päivää sitten
  • There is another coming in couple months

    Dilip kumarDilip kumar6 päivää sitten
  • Bitcoin is the future, Investing in it now will be the wisest thing to do especially with the current rise

    John MarkJohn Mark6 päivää sitten
    • Whtsap + 1 8 1 5 6 8 8 6 1 0

      John MarkJohn Mark6 päivää sitten
    • You can reach them on WhatsApp

      John MarkJohn Mark6 päivää sitten
    • No doubt Smith Trading Services is very good, I invested $5,000 and cashed out $14,700 after 3 weeks. I still wonder how they get their analysis.

      Gorge smithGorge smith6 päivää sitten
    • Hey someone talked about researching and trading without professional guide...huh I laugh you, because you will remain where you are or even make huge losses that will stop you from trading, this has been one of the biggest problems to new traders.

      Donard HazardDonard Hazard6 päivää sitten
    • What do you mean by that, you think that's a nice idea😕🤷🏻‍♂?

      Aqile WilliamAqile William6 päivää sitten
  • Trying to push a metior is like an ant trying to push a tank🤣🤣🤣🤣🤣

    Arthur PannellArthur Pannell6 päivää sitten
  • O H Y E A H M R K R A B S

    lionskylionsky6 päivää sitten
  • So... Only God can save us. Subhanallah.

    Abdul MuminAbdul Mumin6 päivää sitten
  • Him: about to get hit by a meteor. Physics: *This video was sponsored by kiwi co*

    So1usSo1us6 päivää sitten
  • *This video is sponsored by kiwi co*

    So1usSo1us6 päivää sitten
  • Nice to have some e=mc2plain things to us

    Brandi R. WoltmanBrandi R. Woltman6 päivää sitten