the edge of the observable universe

Katie Mack (@AstroKatie) tweetou às 3:35 AM on sáb, Mai 11, 2013: How far away is the edge of the observable universe? Nice explanation by @phalpern http://t.co/KdhKaHwlLr HT @peterdedmonds (https://twitter.com/AstroKatie/status/333047791226064896) Adquira o aplicativo oficial do Twitter em https://twitter.com/download

http://www.pbs.org/wgbh/nova/physics/blog/2012/10/how-large-is-the-observable-universe/