cool post thanks for shareing!! the universe just totaly fasinates me, we know so little about it and we know so little about our planet there is so much more to be uncoverd!!!
The picture is amazing, the universe is so vast. Also, welcome to 13 Billion years ago. http://upload.wikimedia.org/wikipedia/en/4/4f/HUDF.jpg
Light years is a term to tell how far something away is. Basically, 700 light years means that it will take light 700 years to reach that specific spot. and btw, that's a beautiful picture, the universe has always been colorful.
Long enough at least that we don't have to personally deal with it. Let the freaks from the future handle it.
That's pretty tight. But our generation has a lot of time to enjoy the scene. Since its only gonna be there for the next 10,000 years.