Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people

— Carl Sagan

Visible

Darn I missed it!

I was busy in Michigan this week...didn't notice the big glow in the sky LOL...

But here's a several billion year old gamma burst that occured well before the Earth existed!

http://science.nasa.gov/headlines/y2008/21mar_nakedeye.htm?list880574