Turns out the sky IS falling. SUBSCRIBE! http://bit.ly/iotbs_sub Tweet this video ⇒ http://bit.ly/OKTBSdfa Share on FB ⇒ http://bit.ly/OKTBSdfaFB ↓ More info and sources below ↓ A giant asteroid took out the dinosaurs 66 million years ago. Could a big meteor hit Earth again? And if we find one coming our way, how can we use science to avoid a deadly asteroid or meteorite impact? Want to wear your love for science? We’ve got merch: http://dftba.com/besmart References/Learn More: Impact Earth! Simulator: https://www.purdue.edu/impactearth/ Thanks to Destin for letting us use a clip from Smarter Every Day #84! https://www.youtube.com/watch?v=-NLBtZKx2cA National Academies report: “Defending Earth” https://www.nap.edu/catalog/12842/defending-planet-earth-near-earth-object-surveys-and-hazard-mitigation 3D asteroid simulation www.asterank.com/3d/ NASA’s near-Earth object program http://neo.jpl.nasa.gov/ Facts about asteroids from NASA http://www.nasa.gov/mission_pages/asteroids/overview/fastfacts.html Great meteor/meteorite FAQ http://www.amsmeteors.org/meteor-showers/meteor-faq/ ---------------- It’s Okay To Be Smart is written and hosted by Joe Hanson, Ph.D. Have an idea for an episode or an amazing science question you want answered? Leave a comment or check us out at the links below! Facebook: http://www.facebook.com/itsokaytobesmart Twitter: http://twitter.com/okaytobesmart http://twitter.com/jtotheizzoe Tumblr: http://www.itsokaytobesmart.com Instagram: http://instagram.com/jtotheizzoe Snapchat: YoDrJoe Produced by PBS Digital Studios Music via APM Stock images from SciencePhoto http://www.sciencephoto.com/ and Shutterstock http://www.shutterstock.com