Changes

== Nomenclature ==

== Nomenclature ==

The G2 class is the the third level of hottest stars within the yellow G class. (The class scale goes from G0 through G9.) A "V" star in this class is in the fifth level of luminosity&mdasha yellow dwarf star. The Sun is in the 95th percentile in its class by size and mass of other stars in its immediate region.<ref name=Britannica/>

The sun a classified as spectral class G2 V. The "G" means it is a moderately warm yellow star. The "2" means it is in the third hottest group of stars within type "G" (the scale runs from 0 to 9). The "V" is actually a Roman numeral for 5 and inidcates the sun's size. A size V star is classed as a dwarf, main sequence star. Thus the sun is a moderately warm, yellow, dwarf main sequence star. The Sun is in the 95th percentile in its class by size and mass of other stars in its immediate region.<ref name=Britannica/>

== History ==

== History ==