In a Galaxy Far, Far Away

Do you ever contemplate the size of our universe? I have and it makes my head hurt. I mean, it goes on forever, right? How can you possibly fathom such a concept?

What it does for me is to help me understand how really insignificant our spaceship Earth really is when compared to the entire scheme of things out there. We sometimes believe we're the center of everything, the only life-sustaining chunk of matter in this entire, massive collection of millions of other chunks of matter. Hmmm, a pretty bold thought.

Consider some of the measurements described here:

Click HERE to see the full photo essay in larger format. 

I just cannot get my head around "20,000 light years", can you?