PlzeÅ (Czech pronunciation: [ËplÌ©.zÉÉ²]), also called Pilsen in English and German, is a city in western Bohemia in the Czech Republic. About 90 kilometres (56 miles) west of Prague, it is the fourth most populous city in the Czech Republic.
The Chromosphere. Click on image for larger version. The chromosphere is an irregular layer above the photosphere where the temperature rises from 6000&degC to about 20,000&degC. At these higher temperatures hydrogen emits light that gives off a reddish color (H-alpha emission).
Answer Wiki. The Ozone Layer is located firmly in the Stratosphere. It occurs somewhere around 20-30 km in altitude, depending on seasonal and latitudinal variations. The Stratosphere is the area between 10-15 km and ~50 km in altitude.