Guitar tunings assign pitches to the open strings of guitars, including acoustic guitars, electric guitars and classical guitars, among others. Tunings can be described by the particular pitches that are denoted by notes in Western music.
The Fission Theory: This theory proposes that the Moon was once part of the Earth and somehow separated from the Earth early in the history of the solar system. The present Pacific Ocean basin is the most popular site for the part of the Earth from which the Moon came.
(countable and uncountable, plural fissions). 1  The process whereby one item splits to become two. ( 2 physics) The process of splitting the nucleus of an atom into smaller particles; nuclear fission. ( 3 biology) The process by which a bacterium splits to form two daughter cells.