Watch Bravest Warriors: bit.ly/UJMi2H
T-SHIRT: Vsauce Bravest Warriors! bit.ly/XYgCUM

Music By Jake Chudnow: www.youtube.com/jakechudnow
www.soundcloud.com/JakeChudnow

Likelihood of interstellar travel: www.universetoday.com/17044/bad-news-insterstellar-travel-may-remain-in-science-fiction/

Time it would take to visit nearest star: www.universetoday.com/15403/how-long-would-it-take-to-travel-to-the-nearest-star/

Curiosity Rover self portrait on Mars: marsprogram.jpl.nasa.gov/msl/news/whatsnew/index.cfm?FuseAction=ShowNews