ESA is talking about Rosetta finding massive sink holes on comet 67P/Churyumov-Gerasimenko.
The article went on to talk about how sink holes would increase the surface area, allowing more vaporization into space.
So basically, you've got a naturally ocurring Rocket Venturi!
Scott
Sink Holes in Comets
Re: Sink Holes in Comets
Know the quiet place within your heart and touch the rainbow of possibility; be
alive to the gentle breeze of communication, and please stop being such a jerk. — Garrison Keillor
alive to the gentle breeze of communication, and please stop being such a jerk. — Garrison Keillor