Olbers Paradox. Why is the sky dark? If the universe were infinitely big and infinitely old, there should be no dark patches in the sky (Heinrich Wilhelm Olbers (1757--1840) ) Possible answers: Dust? No, the dust would heat up and re-radiate the light - PowerPoint PPT Presentation
![Olbers’ Paradox Opacity is obtained by integrating over ... · constraints compiled by Imara and Loeb [7] (datapoints). The resulting EBL intensities, incorporating both galaxy](https://img.dokumen.tips/doc/110x75/5f3b8408f5071715db717a78/olbersa-paradox-opacity-is-obtained-by-integrating-over-constraints-compiled.jpg)
