Radiation

I made a decision today to drop Radiation as an overall stat for a planet, moon, or asteroid field. I think it will be better implemented as an individual "hazard" for a specific square of those objects. So if you're scanning a planet square you may discover while reading the report from your science officer that the square you just scanned has "higher than normal radiation levels" or somesuch techno-babble. This means more work for the world builder (me), but I think it will be better in the long run.