The Sun's classification in terms of its surface temperature, as determined from absorption lines in its spectrum, is
A) M9.
B) G2.
C) O1.
D) B2.

Question

Quizplus · Accepted Answer

The Sun is classified as a G2 type star based on its surface temperature and the absorption lines observed in its spectrum. This classification indicates a yellow dwarf star with a surface temperature of about 5,500 to 6,000 Kelvin.

The Sun's Classification in Terms of Its Surface Temperature, as Determined