Light/Dark Universe, The: Light from Galaxies, Dark Matte...
Wesson, Paul S / Overduin, James M![Light/Dark Universe, The: Light from Galaxies, Dark Matter and Dark Energy](https://support.digitalhusky.com/media/annotations/sorted/420/4207831/CHSBZCOP034207831.jpg)
To the eyes of the average person and the trained scientist, the night sky is dark, even though the universe is populated by myriads of bright galaxies. Why this happens is a question commonly called Olbers' Paradox, and dates from at least 1823. How dark is the night sky is a question which preoccupies astrophysicists at the present. The answer to both questions tells us about the origin of the universe and the nature of its contents ¿ lumino...