Go to https://ground.news/wif for a better way to stay informed. Subscribe for 40% off unlimited access to world-wide coverage through my link. Sixty-six million years ago, this asteroid crashed into Earth and wiped out most of the life on our planet. Including the biggest, baddest things that ever roamed the planet. Yeah, dinosaurs. If a rock this size hit us today, well, humans would be on the brink of extinction. Today, we look at the five deadliest asteroids to hit Earth - Either in the past or in the not-so-distant future. And we'll slam them into Earth, all at the same time. Spoiler alert: Earth does not win. 00:00 What If Every Asteroid Hit Earth at Once? (SIMULATION) 02:10 The Barringer Asteroid 07:44 Asteroid YR4 12:43 Oumuamua 15:27 Chicxulub 19:37 Meteorite S2 Support us on Patreon: https://www.patreon.com/whatifshow/membership Get the What if book: http://bit.ly/ytc-the-what-if-100-book Join this channel to get access to perks: https://www.youtube.com/channel/UCphTF9wHwhCt-BzIq-s4V-g/join Interested in sponsoring our episodes or collaborating? Email us: [email protected] Our other channels: How to Survive: https://bit.ly/how-to-survive-show Aperture: https://bit.ly/aperture-show T-shirts and merch: https://bit.ly/shopwhatif Newsletter: http://bit.ly/whatif-newsletter What If elsewhere: Discord: https://discord.gg/Bj5UnspbwE Whatsapp: https://whatsapp.com/channel/0029Va8VC502ER6r1yk1yP2Y Instagram: http://bit.ly/whatif-instagram Twitter: http://bit.ly/whatif-twitter Facebook: http://bit.ly/facebook-whatif Produced by Underknown: https://underknown.com #whatif #asteroid #earth #space #nasa #cosmos #simulation