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A simple chart for classifying the main star types using Harvard classification In astronomy , stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a prism or diffraction grating into a spectrum exhibiting the rainbow of colors ...
Organizational chart of Hezbollah, by Ahmad Nizar Hamzeh Sayyid Hassan Nasrallah, the third and current Secretary General of Hezbollah At the beginning, many Hezbollah leaders maintained that the movement was "not an organization, for its members carry no cards and bear no specific responsibilities", [ 152 ] and that the movement does not have ...
The word Brazil probably comes from the Portuguese word for brazilwood, a tree that once grew plentifully along the Brazilian coast. [33] In Portuguese, brazilwood is called pau-brasil, with the word brasil commonly given the etymology "red like an ember", formed from brasa ('ember') and the suffix -il (from -iculum or -ilium). [34]