There are several kinds of P/Es: 1  Trailing P/E: The earnings are the most recently reported quarter, plus the previous three reported quarters. 2  Forward P/E: The earnings number is the total of estimates for the current unreported quarter and estimates for the following three quarters.
A corona (Latin, ' crown ') is an aura of plasma that surrounds the sun and other celestial bodies. The Sun's corona extends millions of kilometres into space and is most easily seen during a total solar eclipse, but it is also observable with a coronagraph.
Corona. A corona is a type of plasma of the Sun or other celestial body, extending millions of kilometres into space, most easily seen during a total solar eclipse, but also observable in a coronagraph. The word corona itself derived from the Latin, meaning crown, which in turn came from the Ancient Greek ÎºÎ¿ÏÏÎ½Î· meaning garland or wreath.