These are the asteroids to worry about

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


  • Jotham Walker
    Jotham Walker20 minuta më parë

    I kinda think we need this. If an asteroid destroyed a city, I think it might put everything in perspective for people. Imagine a massive asteroid, the size of a moon approaching from behind the sun but it gets sucked in and we never knew. Scary thought.

  • Ekaterina II
    Ekaterina II6 orë më parë

    Let's not forget that most dinosaurs were not instantly killed, the dust cloud reduced sunlight, lowering the temperature and affecting the whole ecosystem. That makes them even scarier

    BKBSUN9 orë më parë

    Shoutout to the camera man who had to hold his breath in space

  • Sum Guy
    Sum Guy12 orë më parë

    Wearing a mask & locking yourself in your home will save you from anything, apparently...

  • Ayoo EZ
    Ayoo EZ15 orë më parë

    9:14 lol I wonder what that guy felt like when they realized that lmfaooo

  • The Science News
    The Science News17 orë më parë

    the world will end before any meteor strikes, believe in Jesus Christ, rapture can happen at any moment, and there is no 2nd chance after that.

  • Eugene
    Eugene17 orë më parë

    Fact: 100% of all people will die

  • psyonis yt
    psyonis yt18 orë më parë

    Bigger the astroid, more nuclear bombs

  • psyonis yt

    psyonis yt

    18 orë më parë

    Use as defence to earth

  • SMGJohn
    SMGJohn19 orë më parë

    Hopefully a huge one hits America and wipes it off the map, that will be known as the only time asteroid saved humanity.

  • Mason Shucart
    Mason ShucartDitë më parë

    I mean once quantum computing becomes a household thing we will be able to tell pretty easily right?

  • Amri
    AmriDitë më parë

    That awesome professor never failed to surprise me thorough the video: 1. First, he keep a meteorite in his house 😮 2. Then he went on explaining things in his eccentric egg chair 😆 3. Then he showed us his dinosour head decoration in his yard 🤓 4. Finally he used his two favorite countries, France and Germany, as an example on how they can be obliterated by a 1 km size meteorite 😅

  • Ken O
    Ken ODitë më parë

    Future settlers on Mars will have more to fear from falling asteroids being that the atmosphere is far less capable of burning it up and reducing its size as well as less likely to cause it to explode before reaching the ground. One solution for this as well as to protect against radiation is underground habitats. Earth's moon bases will at least be included in the search for near-Earth asteroids. On earth, would deep bomb shelters help (those very few that have access to one and can get to it in time despite the traffic on the surface)?

  • Nhật Anh Bùi
    Nhật Anh BùiDitë më parë

    Don't worry, human gonna kill them self before asteroids got the change.

  • B dawg
    B dawgDitë më parë

    Big rok

  • The Guy You Knew As Mark Omega
    The Guy You Knew As Mark OmegaDitë më parë

    This is one of the reasons why space development is so crucial for a long-term and stable society with the scale and technology of modern times. We ever last so long before a globally devastating asteroid hits. Given how ill-prepared and uninterested in the business of shooting down or swerving away approaching asteroids most of us are, we are purposefully making ourselves sitting ducks. Whereas if we had multiple settlements in separate astronomical bodies, with big and sustainable cities and nations already developed, the possibility of a single asteroid destroying or crippling us is greatly reduced. When one is hit by such an asteroid another unaffected settlement can move in to help and restore. And the ones living in that settlement can move to others if an asteroid is found approaching. Its either this or developing asteroid defense systems that can actually do something about ones coming for us.

  • Bob Van Boekel
    Bob Van Boekel2 ditë më parë

    Honestly, dying by an asteroid would be a true honor. Not many people get to have such a glorious death. I would prefer be on the other side of the planet on impact so that I can burn in dropping lava for a week and scream “You can’t kill me God!”. So epic

  • Woofles_AW
    Woofles_AW2 ditë më parë

    The thought of a asteroid being able to hit me, kill me, my family, my friends, my everybody right now.

  • Cariboudjan
    Cariboudjan2 ditë më parë

    17:30 in this case, in a real world scenario, people wouldn't just sit in their cars honking their horns. They would leave their vehicle, tell the driver to put their vehicle in neutral, and help push the car into the ditch. The driver and their family would then probably abandon their vehicle and hitch a ride with any essential belongings with anyone in the millions of drivers behind them with any available space. A state of emergency would likely make it a criminal act to leave anyone stranded on the side of the road if you have space available in your vehicle. Desperation would also make it lawful to ride on top of vehicles and in the back of pickup trucks, semis, etc. without needing any safety equipment, or at least officers would be told not to enforce these types of traffic violations. Even still everything and everyone would be so overwhelmed that the only priority at mind is leave the city as quickly as possible to guarantee the maximum number of people survive as possible, total utilitarian.

  • Alexander Wingeskog
    Alexander Wingeskog2 ditë më parë

    The impact that probably wiped most of the dinosaurs was hard to grasp before I saw shoemaker levy comets impact. That was a true eye opener for sure.

    LDS JOURNEY CH2 ditë më parë

    The “Wormwood Bible Prophecy” Revelation 8:10-11

  • RandomBuzz
    RandomBuzz2 ditë më parë

    Reminds me Eros from The Expanse

  • andy gaal
    andy gaal3 ditë më parë

    if there are a few weeks or month maybe (?) warning ahead, a series of stationed and orbiting kinetik impacters could work

  • Andrey
    Andrey3 ditë më parë

    The Russians just go by there day 😂

  • VoiceOfReason
    VoiceOfReason3 ditë më parë

    Covid: l’m *the* biggest threat and enemy of humanity; *muahahaha!* Asteroid: (Makes an introduction). Covid: DAMN lT!

  • ratbu neptune ratbu
    ratbu neptune ratbu3 ditë më parë

    2021: 12:28 no global extinction event of asteroids 2030: im gonna end all of you again in third time - china communist gov

  • Evan G. Srinathji Das
    Evan G. Srinathji Das3 ditë më parë


  • 「プラン」WarDimension
    「プラン」WarDimension3 ditë më parë

    That meteorite sponsorship is a really clever way to do it...

  • Dino Gerc
    Dino Gerc3 ditë më parë

    "Fack" Steven, greatest enemy for Earth is China and Biden!

  • Lil Tiny
    Lil Tiny3 ditë më parë


  • Woah there Ian
    Woah there Ian3 ditë më parë

    Why didn’t you include a video of the shockwave?

  • Wm. Davis
    Wm. Davis3 ditë më parë

    Because worrying about asteroids will help you better prepare to say goodbye.

  • Bro Soloz
    Bro Soloz4 ditë më parë

    when i see this video, i remember one thing how come our LORD always wathcing over us.



    2 ditë më parë

    The “Wormwood Bible Prophecy” Revelation 8:10-11

  • Nidiot
    Nidiot4 ditë më parë

    “A 1km asteroid could wipe out a smaller country, like France or Germany, _to mention 2 of my favourites_ “ *triggered*

  • Chan's No No Square
    Chan's No No Square4 ditë më parë


  • Christopher Conkright
    Christopher Conkright4 ditë më parë

    Can I ask why we don’t send up lidar radar etc and let them discover asteroids? Yea the math would be different then on the face of the earth. Bodies in space would still reflect right? I am just curious

  • Neil Howes
    Neil Howes4 ditë më parë


  • JoDaF1N _
    JoDaF1N _4 ditë më parë

    Imagine Derek being your uncle

  • Nevar Stopme
    Nevar Stopme4 ditë më parë

    Loooool were gonna get wiped out, yay!

  • EpicBunty
    EpicBunty5 ditë më parë

    Man I would love to know how you got Mark rober from the future to star in your videos.

  • Moto Dext
    Moto Dext5 ditë më parë

    cela nous protège contre High radiation des autres galaxies

  • Moto Dext
    Moto Dext5 ditë më parë

    ssupercosmic est là avec son bouclier

  • SennahFN
    SennahFN5 ditë më parë

    The thing about meteors that blows my mind is that they always seem to land in a crater, must be some sort of magnetic force coming from craters

  • Jimmy D Cricket
    Jimmy D Cricket5 ditë më parë

    Can say I'm too worried, had a good time for a long time so bring on the boom.

  • Skid
    Skid5 ditë më parë

    Bruhh they be like WERE GOING TO DIE well duh we will be dead when the sun explodes

  • C T
    C T5 ditë më parë

    20,000th comment!

  • Matt Hendricks
    Matt Hendricks5 ditë më parë

    Why so afraid of dying of a catastrophe? Getting sleepless nights? Then think about cancer and cardiovascular diseases. They will end your live with a 1000000 times higher chance than an asteroid.

  • Matt Hendricks

    Matt Hendricks

    3 ditë më parë

    @Antony Casanova You should call your mom or a hospital and ask for help.

  • Antony Casanova

    Antony Casanova

    3 ditë më parë

    Also wrong, first: there are no meteors, never will be, this is BBS made up, and if you know somebody how's ill with I don't care, I give you the medicine that cures EVERYTHING!!

  • ilovesunshine13
    ilovesunshine135 ditë më parë

    If people follow mass evacuation instructions as they follow Covid rules than we are doomed.

  • Arne D
    Arne D5 ditë më parë

    When the 10KM monster cometh, I am maxing out all my credit cards.

  • iluvdissheet
    iluvdissheet5 ditë më parë

    Awesome video. Thanks 😊

    HIGHDROPONIC5 ditë më parë

    Someone call elon

  • HamsterGod Fufurufufu
    HamsterGod Fufurufufu6 ditë më parë

    Toy of doom...19:39

  • Ghosty
    Ghosty6 ditë më parë

    This is gonna be on ur recommended

  • Eggman


    2 ditë më parë


  • Gadgescope


    3 ditë më parë

    and so it was

  • Okuyasu Nijimura

    Okuyasu Nijimura

    5 ditë më parë

    Is it?

  • 9_RBS
    9_RBS6 ditë më parë

    its past

  • Brent Lio Smith II
    Brent Lio Smith II6 ditë më parë

    What we can do then is Sit, hoping it hit and another city and not your Neighborhood/city

  • Brent Lio Smith II
    Brent Lio Smith II6 ditë më parë

    Am more likely to die from getting hit by a reckless driver than a Asteroid

  • Enrique Atentar
    Enrique Atentar6 ditë më parë

    First Attack from God) Year 3500 Christ 1st Coming Revelation 9:1 Then the fifth angel sounded: And I saw a star fallen from heaven to the earth(Asteroid came from Heaven's Portal Door). To him was given the key to the bottomless pit(At CERN). 2 And he opened the bottomless pit, and smoke arose out of the pit like the smoke of a great furnace. So the sun and the air were darkened because of the smoke of the pit. 3 Then out of the smoke locusts came upon the earth(Angels of Hades). And to them was given power, as the scorpions of the earth have power. 4 They were commanded not to harm the grass of the earth, or any green thing, or any tree, but only those men who do not have the seal of God on their foreheads(Secret). 5 And they were not given authority to kill them, but to torment them for five months. Their torment was like the torment of a scorpion when it strikes a man. 6 In those days men will seek death and will not find it; they will desire to die, and death will flee from them(Zombie apocalypse). (Caused by Asteroid impact) Revelation 16:18-20 And there were voices, and thunders, and lightnings; and there was a great earthquake, such as was not since men were upon the earth, so mighty an earthquake, and so great. 19 And the great city was divided into three parts, and the cities of the nations fell: and great Babylon came in remembrance before God, to give unto her the cup of the wine of the fierceness of his wrath. 20 And every island fled away, and the mountains. were not found. No Safe place to hide in this time the Angels of Hades can go everywhere even in deepest underground bunkers if you wanted to save your future relatives you must do everything to get into Mars Colonies but Martians main goal is to escape outside of our Milky Way galaxy.

  • Orbe University
    Orbe University6 ditë më parë

    I was under the impression that we were able to deflect asteriods but as this video points out, this is not possible. My hope in humanity has been restored.... Thank God.

  • karrskarr
    karrskarr6 ditë më parë

    You know you are paranoid when you look out the window, and up in the sky, all the while missing those 4 black SUV's parked in the street. You know you are a single 'noid' when you look out the window and see 4 SUV's, and one isn't a hearse- It's all good! :P

  • GeneticFreak
    GeneticFreak6 ditë më parë

    Wrapping an asteroid in aluminum cooking foil is definitely a movie plot that I would watch

  • Ankit Sd
    Ankit Sd6 ditë më parë

    What about 'oumuamua, that was not predictable and was out of our solar system. So you do have a chance to die from astroids but they won't be of our solar system.

  • Ori
    Ori6 ditë më parë

    is nobody gonna talk about how cool it is that this guy has a 4 billion year old piece of a planets core in his house?

  • Snowi
    Snowi6 ditë më parë

    It seems as if the chances between two asteroids colliding is bigger than the chance of any asteroid colliding with Earth.

  • TempEdits
    TempEdits7 ditë më parë

    I only care about leaving India. Such a degraded place. Milking economy

  • Abe Coulter
    Abe Coulter7 ditë më parë

    ...from when our solar system formed, words of an evolutionist

  • James Petyrycia
    James Petyrycia7 ditë më parë

    Book of Revelation explains best.

  • Life sucks Get over it
    Life sucks Get over it7 ditë më parë

    So ur telling me i can take a colored picture on earth but it took nasa 50yrs with a car battery and a propeller and a kodak colour camera to snap a few pics lmfao

  • ModernDayCaveman
    ModernDayCaveman7 ditë më parë

    nuke the asteroids

  • The Music Harbour
    The Music Harbour7 ditë më parë

    10:33 Dinosaurs be like "Oh Sh*t"

  • Fitzgerald
    Fitzgerald7 ditë më parë

    It's "Chel-ya-binsk". Not Cheliabinks, lol. This video was frustrating to watch because of that.

  • Amerigoth
    Amerigoth7 ditë më parë

    "we think we know about 98% of the 1-2km rocks and they're being tracked" alright i know that's not a perfect quote whatever but we definitely have no idea how many are between us and Jupiter much less the whole system

  • David Heaney
    David Heaney7 ditë më parë

    Can we please order one of these to go right up boris Johnson's arse

  • Ediwan
    Ediwan7 ditë më parë

    Awesome video as a whole. Only problem I found was at 12:21. Almost zero % is infinitely far from zero. I would have added "nearly" or something similar to the sentence. In other respects, magnificent popularization of the subject.

  • Gangsta Penguin
    Gangsta Penguin7 ditë më parë

    Petition to put armour on the earth and weaponize it

  • Reset the man man man
    Reset the man man man7 ditë më parë

    Siri said the world will end in 2032. Scientists, any asteroids you predict to hit in 2032?

  • Yuko-Chan
    Yuko-Chan7 ditë më parë

    OK...if something like a big meteor happens just blow the thing up with a bomb like... a nuclear bomb easy 😒

  • Cosmic Rays
    Cosmic Rays7 ditë më parë

    I like the way how you see every opportunity as a way to learn new things.

  • Liam Player
    Liam Player7 ditë më parë

    I stopped watching at 12:28 to 12:33 :)

  • fstopro
    fstopro7 ditë më parë

    I stopped watching the video at 12:26 :)

  • Jimmy Bouwman
    Jimmy Bouwman7 ditë më parë

    as of right now, we could do nothing to stop a large asteroid

  • twistymcslide2
    twistymcslide27 ditë më parë

    i think his math is skewed with his suggestion there is a zero chance within the next 100 years to have a large impactor , because you have to remember we can only monitor 45% of the space because of the sun and our inability to see what's coming form its direction , like the russian meteor .

  • FiendTrip
    FiendTrip8 ditë më parë

    Can we not just nuke to astroid

  • LNdogN
    LNdogN8 ditë më parë

    thats my daily dose of existential dread

  • qua
    qua8 ditë më parë

    that beggining ad was good

  • Joaquin Paredes
    Joaquin Paredes8 ditë më parë

    Kiwiko = More plastic??

  • Cinemá
    Cinemá8 ditë më parë

    bruh our government cant figure out how to distribute medical supplies how are we gonna stop a massive rock lol

  • Richard Munt
    Richard Munt8 ditë më parë

    Bloody good shot that Berringer Crater, 1/2mile left and it would have taken out that building.

  • Chris Banks
    Chris Banks8 ditë më parë

    Chixalub: "Damn, I failed. They are still procreating down there." 99942 (Apophis) : "Hold my beer........ eventually"

  • The Encouragement Kid
    The Encouragement Kid8 ditë më parë

    What a great channel glad you're back, did you leave idk?

  • Kristian Kari
    Kristian Kari8 ditë më parë

    Think how lucky it is that Earth even exists one big asteroid and it would be all gone

  • Mike Letterst
    Mike Letterst8 ditë më parë

    Yo mama is as old as that asteroid the professor was holding

  • peenpeen


    4 ditë më parë

    thanks mike

  • j Walster
    j Walster8 ditë më parë

    asteroids, pandemics, war! oh boy oh boy so many ways to die!

  • Goatman Brigance
    Goatman Brigance8 ditë më parë

    So an asteroid could land here tomorrow? It could, yes. *Both nervously laugh* *Asteroid lands right on top of them and obliterates the Earth*

  • isaac Lee
    isaac Lee8 ditë më parë

    At the very least there is a higher percent it hits a body of water.

  • Patrik Jelínek
    Patrik Jelínek8 ditë më parë

    *random metorite is here* people: FREE IRON

  • Andrew Reynolds
    Andrew Reynolds8 ditë më parë

    Good job Bruce Willis is still alive

  • Oscar De Aza
    Oscar De Aza8 ditë më parë

    Every 100 years by now or. 1 quadrillion pebbles in space that somehow many a blackhole in space

  • Skillus Eclasius II
    Skillus Eclasius II8 ditë më parë

    According to my dad, who is on a committee talking about what we could do about this at the moment, and should thus have more updated information on the topic than this guy, we do actually have the technology to avoid such an asteroid. He estimated we'd need to know 20 years in advance that the asteroid is coming. He says the biggest obstacle to successfully pulling this off is politics.

  • 20 21
    20 219 ditë më parë

    When I hear the words “giant asteroids” I generally worry about all of them. I’m not really selective.

  • FreckledWhispers ASMR

    FreckledWhispers ASMR

    3 ditë më parë


  • Machina18
    Machina189 ditë më parë

    "If you're afraid of worldwide devastation, let me set your mind at ease with this list of things that are much worse than the possibility of asteroid impacts." Thanks bro.

  • VoiceOfReason


    3 ditë më parë

    Such as......... what?

  • Daniel Silva
    Daniel Silva9 ditë më parë

    My dreams be like: 0:03

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