Shells

The "shells" of Centaurus A
Astronomy Picture of the Day, July 1, 2012
Image Credit: E. Peng and H. Ford (JHU),
K. Freeman (ANU), R. White (STScI), CTIO, NOAO, NSF
From NASA

"Most cynics are really crushed romantics: they've been hurt, 

they're sensitive, and their cynicism is a shell that's protecting this tiny, 

dear part in them that's still alive."

~ Jeff Bridges