Watch Nat Geo's MARS Monday 11/14 at 9/8c: http://makemarshome.com/  Watch Kevin and Jake's videos! https://www.youtube.com/watch?v=5_MhErD-EA0&index=2&list=PLiyjwVB09t5xDxwO8KpwJA2HTA13xarpf *Thanks to Nat Geo for sponsoring this video* Earth and Mars size comparison: http://www.space.com/16871-how-big-is-mars.html calculate how much you’d weigh on Mars: http://www.exploratorium.edu/mars/yourweight.php Martian ‘sun dial’: http://www.universetoday.com/96930/curiositys-sundial-carries-a-message-of-hope/ http://mars.nasa.gov/multimedia/interactives/revealing-mars-before-after-image-comparison-slider/rover-opportunity/ Touching Mars images (walnut regolith): http://www.nasa.gov/centers/ames/multimedia/images/2005/dust_devils.html Pascal Lee: http://www.pascallee.net https://www.facebook.com/PascalLeeOfficial/photos/a.533740600028877.1073741831.518292958240308/951932401543026/?type=3&theater Other flag ideas: http://www.bbc.com/future/story/20151214-what-would-the-flag-of-mars-look-like https://astrosociety.org/edu/publications/tnl/66/flag.html Kim Stanley Robinson’s excellent trilogy: https://www.amazon.com/dp/B000QCS914/ref=dp-kindle-redirect?_encoding=UTF8&btkr=1 terraforming of Mars: https://en.wikipedia.org/wiki/Terraforming_of_Mars Outer Space Treaty: http://www.state.gov/t/isn/5181.htm#treaty Extraterrestrial Liberty: http://link.springer.com/chapter/10.1007%2F978-3-319-18063-2_3 Time on Mars: https://en.wikipedia.org/wiki/Timekeeping_on_Mars http://jtauber.github.io/mars-clock/ Mars orbit: http://www.windows2universe.org/mars/mars_orbit.html Mars orbit proximity chart: https://en.wikipedia.org/wiki/Human_mission_to_Mars#/media/File:Mars_close_appr.png NASA Mars time program: http://www.giss.nasa.gov/tools/mars24/ Mars Watches: http://mars.nasa.gov/mer/spotlight/spirit/a3_20040108.html http://web.archive.org/web/20120525133718/http://executivejewelers.com/jewelscart2000/store/jewelscart2000_listCategoriesAndProducts.asp?idCategory=10 Darian calendar: https://en.wikipedia.org/wiki/Darian_calendar Ask a Mathematician physicist article: http://www.askamathematician.com/2012/09/q-is-it-likely-that-there-are-atoms-in-my-body-that-have-traveled-from-the-other-side-of-the-planet-solar-system-galaxy-or-universe/ Apollo quarantine: https://en.wikipedia.org/wiki/Mobile_Quarantine_Facility Buzz tweet: https://twitter.com/therealbuzz/status/631818861424308224 space dust: http://www.universetoday.com/92807/rocks-from-mars/ Blood and skin cells changing: https://www.reddit.com/r/askscience/comments/1q16hw/im_32_is_there_a_single_cell_or_even_molecule/ Planetary protection: https://en.wikipedia.org/wiki/Planetary_protection https://planetaryprotection.nasa.gov/ Mars sample return [PDF]: http://www.lpi.usra.edu/pss/presentations/200803/04-Atlas-PPSonMSR.pdf The International Committee Against Mars Sample Return http://www.icamsr.org/ glow worms: https://en.wikipedia.org/wiki/Arachnocampa_luminosa ANSMET: http://caslabs.case.edu/ansmet/ AH84001: https://en.wikipedia.org/wiki/Allan_Hills_84001 Bill Clinton speech on Mars rock: https://www.youtube.com/watch?v=pHhZQWAtWyQ All music by http://www.youtube.com/JakeChudnow