When is the last time you looked at the stars? I mean really looked—not just glancing up on the way to your car, or while you wander towards the next stop on your list of errands. When is the last time you stopped and stared into the black, just to look for those tiny pinpricks of light, so many millions of miles away? Has it been a while? The sad part is, even if you’ve tried lately to see the stars, you might not have had much luck. Planet...