Weather constantly being lost to space, creating what is essentially a very thin atmosphere throughout the Solar System. The movement of mass ejected from the Sun is known as the solar wind. On Earth, the common weather phenomena include wind, cloud, rain, snow, fog and dust storms. Less common events include natural disasters such as tornadoes, hurricanes, typhoons and ice storms. Almost all familiar weather phenomena occur in the troposphere (the lower part of the atmosphere). Weather does occur in the stratosphere and can affect weather lower down in the troposphere, but the exact mechanisms are poorly understood. Weather occurs primarily
What is a Masterpiece? particular (the fruits of the era in which the artist lived) with the universal (the grand themes raised by the human condition itself) in Clark's view. Clark's definition of an artistic masterpiece was based on a number of different considerations and criteria that apply to different works produced in markedly different time periods and milieux. For example, in this particular work he argued that it is the "creation of an individual artist's authentic genius." At the same time, he expounded a number of other aspects that for him were essential in the configuration of a masterpiece: that it is "a