We here at SciShow like to start things off with a "Boom" for yet another season! Hank talks about the mystery behind the "Space Roar" and why it is we can't really hear it. ---------- 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: dftba.com/artist/52/SciShow Or help support us by subscribing to our page on Subbable: subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Thanks Tank Tumblr: thankstank.tumblr.com Sources: www.howstuffworks.com/humans-hear-in-space.htm io9.com/5986849/what-is-space-roar physicsdatabase.com/2013/03/16/the-great-unsolved-problems-in-physics-the-space-roar/ www.space.com/6293-mystery-roar-faraway-space-detected.html prezi.com/78dbpnjnazkn/space-roar/ - clips of space sounds www.spacetoday.org/Questions/StarlightAge.html www.nasa.gov/centers/goddard/news/topstory/2009/arcade_balloon.html www.howitworksdaily.com/science/why-do-radio-waves-travel-at-the-speed-of-light-and-not-sound/ www.nature.com/news/kepler-s-surprise-the-sounds-of-the-stars-1.9724 www.popularmechanics.com/how-to/blog/what-created-these-mystery-radio-waves-from-another-galaxy-15657576 imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html