Wasn't sure where exactly to put it, if it is a bug it's too trivial to deserve a thread in the technical section!
Anyway, I just started up a new medium size game and the closest planet looks like...
http://tinypic.com/r/2wqd82s/6
I gather this is not normal hah?
Both planets are distinct in that they are both colonisable and have their own set of crystal resources.