Atmosphere of Earth layers because a larger atmospheric weight sits on top of the troposphere and causes it to be most severely compressed. Fifty percent of the total mass of the atmosphere is located in the lower of the troposphere. Nearly all atmospheric water vapor or moisture is found in the troposphere, so it is the layer where most of Earth's weather takes place. It has basically all the weather-associated cloud genus types generated by active wind circulation, although very tall cumulonimbus thunder clouds can penetrate the tropopause from below and rise into the lower part of the stratosphere. Most conventional aviation activity
The World We Live In (Life magazine) The World We Live In (Life magazine) The World We Live In appeared in the pages of LIFE magazine from December 8, 1952, to December 20, 1954. A science series, it comprised 13 chapters published on an average of every eight weeks. Written by Lincoln Barnett, "The World We Live In" spanned a diverse range of topics concerning planet Earth and universe, and employed the talents of countless artists and photographers. These included, among others, cameramen Alfred Eisenstaedt and Fritz Goro, and artists Rudolph Zallinger and Chesley Bonestell. "The World We Live In" was introduced to Life's readership as "the