ATMOSPHERIC PHENOMENA & STRUCTURES A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site ozone layer Image courtesy NASA's Earth Observatory A layer in the lower part of Earth's stratosphere, about 25 km above sea level) where the greatest concentration of ozone (O3) appears. This is the layer responsible for the absorption of most solar ultraviolet radiation. Related category    • ATMOSPHERIC PHENOMENA AND STRUCTURES Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP