The Hertzsprung-Russell diagram shows how the sun is classified among the stars.
A star that is several thousand times brighter than the sun with a temperature lower than 4,000 K would be classified as —
The Hertzsprung-Russell diagram shows how the sun is classified among the stars.
A star that is several thousand times brighter than the sun with a temperature lower than 4,000 K would be classified as —
a supergiant in spectral class K
a main-sequence star in spectral class K or M
a white dwarf in spectral class B
a main-sequence star in spectral class B