How do the temperatures and luminosities of giants and supergiants compare to temperatures and luminosities of main sequence stars?
Group of answer choices
They have higher luminosities and lower temperatures than main sequence stars.
They have higher temperatures and lower luminosities than the main sequence stars.
They have about the same luminosities, but lower temperatures than the main sequence stars.
They have about the same temperatures, but lower luminosities than the main sequence stars.