How Big Is the Universe?

We all know that the universe is mind-bogglingly gigantic, but how *exactly* mind-bogglingly gigantic is it? Let Hank fill you in on the details that scientists have worked out! Why Shouldn t You Look at the Sun?: https://www.youtube.com/watch?v=SzCKPbg5QRg Is the Universe Expanding?: https://www.youtube.com/watch?v=t9276Lk_Ipg ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn t make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Chris Peters, Philippe von Bergen, Fatima Iqbal, John Murrin, Linnea Boyev, and Kathy & Tim Philip. ---------- 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://map.gsfc.nasa.gov/universe/WMAP_Universe.pdf http://map.gsfc.nasa.gov/universe/uni_fate.html http://map.gsfc.nasa.gov/universe/uni_shape.html http://futurism.com/what-lies-beyond-the-edge-of-the-observable-universe/ http://www.universetoday.com/83167/universe-could-be-250-times-bigger-than-what-is-observable/ http://www.universetoday.com/113786/how-big-is-the-universe-2/ http://www.space.com/19027-universe-baby-picture-wmap.html http://www.space.com/24073-how-big-is-the-universe.html http://io9.gizmodo.com/5799335/five-weird-theories-of-what-lies-outside-the-universe Media: https://commons.wikimedia.org/wiki/File:New_shot_of_Proxima_Centauri,_our_nearest_neighbour.jpg https://commons.wikimedia.org/wiki/File:Constellation_Fornax,_EXtreme_Deep_Field.jpg