Which type of star is in spectral class K and has a luminosity of 106?

Question

(1 point)
Responses

blue giant
blue giant

white dwarf
white dwarf

red giant
red giant

red supergiant

Answer 1

A star in spectral class K with a luminosity of \(10^6\) (1000000 times the luminosity of the Sun) would be classified as a red supergiant.

Red supergiants are typically cooler (K class) and much more luminous due to their larger sizes compared to other types of stars.