A corona is a type of plasma atmosphere of the Sun or other celestial body extending millions of kilometers into space most easily seen during a total solar eclipse but also observable in a coronagraph. The Latin root of the word corona means crown. The high temperature of the corona gives it unusual spectral features which led some to suggest in the 19th century that it contained a previously unknown element coronium.

5 tips to help with your fear of flying

This article provides individuals with tools to overcome or at least manage a fear of flying. Flying can be an enjoyable experience if anxiety is not an issue.