Almost 80 percent of all 1,214,090 teaching assistants worked in elementary and secondary schools as of May 2011, where they earned a mean $25,490 per year.About 8 percent worked in child day care services, averaging $21,290 per year.lmost 80 percent of all 1,214,090 teaching assistants worked in elementary and secondary schools as of May 2011, where they earned a mean $25,490 per year.
In addition, the best sightings are when there is a large amount of solar activity. Generally, it is held that prime seasons for viewing the northern lights are early autumn and spring. You could see them at any time between September and March but you need to be in the right place.
What are the northern lights? Polar lights (aurora polaris) are a natural phenomenon found in both the northern and southern hemispheres that can be truly awe inspiring. Northern lights are also called by their scientific name, aurora borealis, and southern lights are called aurora australis. Sten Odenwald, author of The 23rd cycle, learning to live with a stormy star (New York, Columbia University Press, c2001), provides insight to how northern lights are formed: