Galactic Habitable Zone?

I found this article "Living in the Galactic Danger Zone" (http://astrobiology.nasa.gov/articles/living-in-the-galactic-danger-zone/) quite randomly, but thought it was interesting enough to share.  Here's the link to the paper on the arxiv:  http://arxiv.org/abs/1107.1286.

Heather Bloemhard

Graduate Research Assistant

Physics/MRO

New Mexico Tech

575-835-5548

heatherb@nmt.edu