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?:    • Why Shouldn't You Look at the Sun?  

Is the Universe Expanding?:
   • Is the Universe Expanding?  

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Sources:http://map.gsfc.nasa.gov/universe/WMA...
http://map.gsfc.nasa.gov/universe/uni...
http://map.gsfc.nasa.gov/universe/uni...
http://futurism.com/what-lies-beyond-...
http://www.universetoday.com/83167/un...
http://www.universetoday.com/113786/h...
http://www.space.com/19027-universe-b...
http://www.space.com/24073-how-big-is...
http://io9.gizmodo.com/5799335/five-w...

Media:
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...