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.
Nuclear fission, the fission or splitting of an atomic nucleus, can happen in two basic ways. One is a form of natural radioactive decay called spontaneous fission. The atomâ¦ just splits apart. The other involves the absorption of a neutron, and fission can occur as a result of this as well.