October312012
Screaming Skull!
Credit: A. Fabian (IoA Cambridge) et al., NASA
This screaming skull above is actually a Chandra image of the Perseus Cluster of galaxies in x-rays.

Screaming Skull!

Credit: A. Fabian (IoA Cambridge) et al., NASA

This screaming skull above is actually a Chandra image of the Perseus Cluster of galaxies in x-rays.