(July 27, 2014 at 10:32 pm)Mr.wizard Wrote: Evolution has nothing to do with the galaxy, it studies the diversity of life on earth.
We can, incidentally, study the evolution of galaxies by taking a 'survey' of galaxies at different distances (and hence ages) from the Earth, and infer galactic evolution from the patterns we see. But you were referring to biological evolution. *Sejanus looks down and walks away*

![[Image: thfrog.gif]](https://images.weserv.nl/?url=img577.imageshack.us%2Fimg577%2F6942%2Fthfrog.gif)