The Sun, also known by the Latin name Sol and the Greek name Helios, is a yellow dwarf star of spectral type G2V. The eight planets, including Earth, orbit the sun, as do countless other objects.

The sun is classified as spectral class G2V. 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 a Roman numeral for 5 and indicates the Sun's size. A size V star is a 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. 
