[General Hawkwing]

Moving a small planet into a sun would not destroy a system, only the planet. Allowing ships to move planets/stars (or planets to move w/a facility) would be hard to figure into the current system of play, not to mention the affect on grav'l fields. I was joking about moving stars. But.... if one could move a planet, one of the 'better' uses (for truly xeno races) would be to tow an enemy planet to a black hole system.