Which of the following statements is true?

Question

(1 point)
Responses

Supergiants are hotter and brighter than white dwarfs
Supergiants are hotter and brighter than white dwarfs

White Dwarfs are the coolest stars
White Dwarfs are the coolest stars

All main sequence stars are bright
All main sequence stars are bright

Main sequence can be cool and dim or hot and bright
Main sequence can be cool and dim or hot and bright
Skip to navigation

Answer 1

Supergiants are hotter and brighter than white dwarfs

Answer 2

Which statements are true about all white dwarfs? Select the two correct answers.

(1 point)
Responses

All white dwarfs are classified in spectral class B.
All white dwarfs are classified in spectral class B.

All white dwarfs have absolute magnitudes around 10.
All white dwarfs have absolute magnitudes around 10.

All white dwarfs have luminosities of around 10–2.
All white dwarfs have luminosities of around 10 –2 .

All white dwarfs have temperatures around 10,000 K.
All white dwarfs have temperatures around 10,000 K.
Skip to navigation