And the bondservant abideth not in the house for ever: the son abideth for ever. The Bible Story Rev. Newton Marshall Hall Thou shalt not make him to serve as a bondservant: as an hired servant, and as a sojourner, he shall be with thee.
1 Different temperatures, or spectral types of stars group together on a plot of absolute magnitude versus temperature, called a Hetzsprung- Russell diagram. 2  Star types include main sequence stars, neutron stars, variable stars, dwarfs and white dwarfs, giants and super giants.  Standards.
Stars of similar size, temperature, composition and other properties have similar spectra and are classified into the same spectral class. The main spectral classes for stars range from O (the hottest) through B, A, F, G, K and M (coolest). Our Sun is a G-class star.