Carnival of Space Quasquicentennial Edition

...that means it is the 125th Carnival of Space; a collection of the best space-related blog posts from the past week.

This week we have entries from:

Next Big Future
Cosmic Ray
Centauri Dreams
Cheap Astronomy
The Chandra Blog
Weirdwarp
AARTScope Blog my new favorite from down under.
Crowlspace
Universe Today
Bad Astronomy
Artsnova
Commercial Space
Telescoper
Simostronomy who?
The Great KSSSM
A Babe in the Universe
Kentucky Space
and from the host, a picture that paints a billion words:  trying to grasp the meaning of one billion thanks to Information is Beautiful.