Hosted by: Caitlin Hofmeister
———-
Dooblydoo thanks to the following Patreon supporters — we couldn’t make SciShow without them! Shout outs go to Justin Ove, Chris Peters, John Szymakowski, Peso255, Fatima Iqbal, Justin Lentz, and David Campos.
———-
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
Or help support us by becoming our patron on Patreon:
https://www.patreon.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://irsa.ipac.caltech.edu/IRASdocs/iras_mission.html
http://blogs.scientificamerican.com/life-unbounded/the-fastest-spacecraft-ever/
http://www.seti.org/seti-institute/project/details/fermi-paradox
http://phys.org/news/2015-04-advanced-civilizations-earth-obvious-galaxies.html
http://iopscience.iop.org/0004-637X/698/2/2075/pdf/apj_698_2_2075.pdf
http://www.sciencedirect.com/science/article/pii/0019103573901127
www.nature.com/scientificamerican/journal/v283/n1/pdf/scientificamerican0700-38.pdf