The ozone hole, The ozone hole. for nearly a billion years, ozone molecules in the atmosphere have protected life on earth from the effects of ultraviolet rays.. Nws jetstream - layers atmosphere, Average temperature profile for the lower layers of the atmosphere - click to enlarge ×. Atmosphere - ozone hole, Atmosphere a planet's climate is decided by its mass, its distance from the sun and the composition of its atmosphere. earth's atmosphere is 78% nitrogen, 21% oxygen.

Science - ozone basics, Science: ozone basics. ozone rare atmosphere, averaging molecules ozone 10 million air molecules.. http://www.ozonelayer.noaa.gov/science/basics.htm Atmosphere | troposphere | stratosphere | mesosphere, Navigate. atmospheric layers. air mixed atmosphere, atmosphere physically uniform significant variations . http://www.weather-climate.org.uk/02.php Planetary science - astronomy notes, The difference actual temperature values calculated values planets bit interesting effect . http://www.astronomynotes.com/solarsys/s3c.htm