In order to outline possible future directions in galaxy research, this book wants to be a short stopover, a moment of self-reflection of the past century of ac

No modern astronomer made a more profound contribution to our understanding of the cosmos than did Edwin Hubble, who first conclusively demonstrated that the un

A thought provoking study of the powerful impact of images in guiding astronomers' understanding of galaxies through time.

The last 50 years have seen a tremendous progress in the research on quasars. From a time when quasars were unforeseen oddities, we have come to a view that con

As late as 1995, the anticipated widespread population of primeval galaxies remained at large, lurking undetected at unknown redshifts, with undiscovered proper