Sorry, I didn't mean to say planets ARE getting obliterated- rather that there denser areas where any planets that exist would be in great peril. Ours is in a much less volatile portion of the galaxy. I do have the book I read this one in, so I can look up the references when I get home (if I can find the book).

My point is that not all things claimed about our unique situation can be ascribed to adaptating to the environment.
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-Jeff
Rome did not create a great empire by having meetings; they did it by killing all those who opposed them.