In the 1700s, sailors used sextants to navigate the seas. Centuries later, these old-timey tools saved the day on not one, but two of the Apollo missions!
Hosted by: Reid Reimers
SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at http://www.scishowtangents.org
———-
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
———-
Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:
Kevin Carpentier, Eric Jensen, Matt Curls, Sam Buck, Christopher R Boucher, Avi Yashchin, Adam Brainard, Greg, Alex Hackman, Sam Lutfi, D.A. Noe, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters, Ron Kakar
———-
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:
https://www.youtube.com/watch?v=hVCNS2jQQ6g
http://mathworld.wolfram.com/ArchimedesSpiral.html
https://timeandnavigation.si.edu/navigating-space/challenges
https://wehackthemoon.com/tech/space-sextant-navigates-moon-missions
https://www.space.com/8193-caused-apollo-13-accident.html
https://nssdc.gsfc.nasa.gov/planetary/lunar/ap13acc.html
http://astronomy.com/news/2018/06/the-story-of-the-apollo-sextant
https://timeandnavigation.si.edu/multimedia-asset/apollo-sextant-and-eye-piece
https://science.ksc.nasa.gov/history/apollo/apollo-13/apollo-13.html
http://www.hq.nasa.gov/office/pao/History/alsj/a13/AS13_TEC.PDF
Image Sources:
https://commons.wikimedia.org/wiki/File:Apollo_13_Hasselblad_image_from_film_magazine_62-JJ_(cropped).jpg
https://commons.wikimedia.org/wiki/File:Apollo13_splashdown.jpg
https://commons.wikimedia.org/wiki/File:Apollo_13_Saturn_V_during_rollout.jpg
https://commons.wikimedia.org/wiki/File:Apollo_13_Service_Module_-_AS13-59-8500_(cropped).jpg
https://commons.wikimedia.org/wiki/File:Apollo_13_timeline.svg
https://commons.wikimedia.org/wiki/File:2010-06-11_CSM%26LM.jpg
https://commons.wikimedia.org/wiki/File:Apollo_13_liftoff-KSC-70PC-160HR.jpg
https://commons.wikimedia.org/wiki/File:Apollo13_tank2.jpg
https://commons.wikimedia.org/wiki/File:Sextant.jpg
https://commons.wikimedia.org/wiki/File:Using_sextant_swing.gif
https://commons.wikimedia.org/wiki/File:Apollo_8_Lovell_at_Guidance_and_Navigation_station.jpg
https://commons.wikimedia.org/wiki/File:Apollo_breadboard_space_sextant_model.agr.jpg
https://commons.wikimedia.org/wiki/File:The_Original_Apollo_13_Prime_Crew_-_GPN-2000-001166.jpg#/media/File:The_Original_Apollo_13_Prime_Crew_-_GPN-2000-001166.jpg
https://commons.wikimedia.org/wiki/File:Apollo_CM_Sextant_at_Draper_Hack_the_Moon_exhibit.agr.jpg
https://www.usgs.gov/media/images/quintant-sextant-or-lattice-sextant
https://commons.wikimedia.org/wiki/File:British_Museum_Marine_Chronometer.jpg
https://commons.wikimedia.org/wiki/File:Archimedean_spiral.svg
https://commons.wikimedia.org/wiki/File:Agc_view.jpg
https://commons.wikimedia.org/wiki/File:Dsky.jpg
https://commons.wikimedia.org/wiki/File:Apollo8_Prime_Crew_(landscape_crop).jpg
https://commons.wikimedia.org/wiki/File:Jim_Lovell_official_1966_portrait.jpg
https://commons.wikimedia.org/wiki/File:Seasonearth.png
https://commons.wikimedia.org/wiki/File:From_Day_Into_Night.jpg
https://www.hq.nasa.gov/alsj/a13/AS13-62-8929HR.jpg
https://nssdc.gsfc.nasa.gov/image/spacecraft/apollo_csm_diagram.gif
Watch Now
