Galactic retirees
This is a picture of a galaxy which has put its feet up. Dating back to the early days of the universe, it began its career creating stars as fast as it could. And then, for some reason, decided its stellar family was big enough, and stopped. What does that mean for the inhabitants of the stars it did create, billions of years ago? Have they evolved mightily since then? Are they the wise and far-seeing aliens of our dreams? Who knows. But this is what has just been reported about these...


































