The ozone layer obvious from space at Earht's horizon for a blue band of afterglow in the bottom of the massive shiny blue band that is the stratosphere, which has a silhouette of a cumulonimbus while in the orange afterglow from the troposphere. The ozone layer or ozone defend is https://ozone42086.blogolize.com/the-2-minute-rule-for-improvement-66257924