A star with a surface temperature of 5000 K and a luminosity greater than 10⁴ times that of the Sun is a member of which luminosity class? A) IV, subgiant B) V, main sequence C) III, giant D) I, supergiant

Question

Quizplus · Accepted Answer

Given the high luminosity (greater than 10^14 times that of the Sun) and a surface temperature of 5000 K, the star fits the characteristics of a supergiant (class I). Supergiants are among the most luminous, most massive stars, and their high luminosity matches the given criteria.

A Star with a Surface Temperature of 5000 K and a Luminosity