The First Humans on the Moon

The Apollo 11 mission had many opportunities for things to go awry, and they almost did! Find out how a felt-tipped pen may have saved the lives of the first astronauts on the moon, and more! Re-uploaded in response to an error we made! A big thank-you to everyone who pointed it out. Hosted by: Caitlin Hofmeister Learn more about Margaret Hamilton: http://www.youtube.com/watch?v=PPLDZMjgaf8 ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn t make SciShow without them! Shout out to Kathy & Tim Philip, Kevin Bealer, Andreas Heydeck, Thomas J., Accalia Elementia, Will and Sonja Marple. James Harshaw, Justin Lentz, Chris Peters, Bader AlGhamdi, Benny, Tim Curwick, Philippe von Bergen, Patrick Merrithew, Fatima Iqbal, Mark Terrio-Cameron, Patrick D. Ashmore, and charles george. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.space.com/11772-president-kennedy-historic-speech-moon-space.html https://www.nasa.gov/mission_pages/apollo/missions/apollo11.html https://www.cbo.gov/publication/18196 http://history.nasa.gov/SP-4206/p405.htm http://history.nasa.gov/SP-4029/Apollo_18-19_Ground_Ignition_Weights.htm http://www.wolframalpha.com/input/?i=(Saturn+V+mass)%2F(mass+of+a+blue+whale) http://www.wired.com/2011/04/0412soviet-cosmonaut-yuri-gagarin-orbits/ http://www.space.com/18422-apollo-saturn-v-moon-rocket-nasa-infographic.html https://airandspace.si.edu/explore-and-learn/topics/apollo/apollo-program/landing-missions/apollo11-landing-site.cfm http://www.hq.nasa.gov/alsj/a11/a11.landing.html http://www.parkes.atnf.csiro.au/news_events/apollo11/pasa/on_eagles_wings.pdf http://www.hq.nasa.gov/alsj/a11/a11.posteva.html http://history.nasa.gov/SP-4029/Apollo_00a_Cover.htm https://www.theguardian.com/science/2009/jul/02/apollo-11-moon-technology-engineering http://history.nasa.gov/SP-4029/Apollo_11i_Timeline.htm http://history.nasa.gov/conghand/propelnt.htm http://er.jsc.nasa.gov/seh/ricetalk.htm http://www.lpi.usra.edu/lunar/missions/apollo/apollo_11/landing_site/ http://www.nasa.gov/mission_pages/LRO/news/apollo-11.html Image Sources: https://commons.wikimedia.org/wiki/File:Apollo11-01.png https://commons.wikimedia.org/wiki/File:Neil_Armstrong_pose.jpg https://commons.wikimedia.org/wiki/File:Aldrin.jpg https://en.wikipedia.org/wiki/Michael_Collins_(astronaut)#/media/File:Michael_collins.jpg https://commons.wikimedia.org/wiki/File:Apollo_11_Launch2.jpg https://commons.wikimedia.org/wiki/File:SaturnV_S-IC.jpg https://commons.wikimedia.org/wiki/File:ALOTS_image_of_Apollo_11_S-IC_separation.jpg https://commons.wikimedia.org/wiki/File:Saturn_V_second_stage.jpg https://commons.wikimedia.org/wiki/File:SaturnV_S-IVB.jpg https://commons.wikimedia.org/wiki/File:Apollo11-07.png https://commons.wikimedia.org/wiki/File:FullMoon2010.jpg https://commons.wikimedia.org/wiki/File:Apollo_11_first_step.jpg https://commons.wikimedia.org/wiki/File:Aldrin_Apollo_11_original.jpg https://commons.wikimedia.org/wiki/File:Apollo_11_lunar_module.jpg https://commons.wikimedia.org/wiki/File:Splashdown_3.jpg