Which statement correctly explains how the Hertzsprung-Russell diagram helps to compare stars?(1 point)

Question

Responses

The Hertzsprung-Russell diagram plots stars according to their luminosity and temperature, which is also associated with spectral class.
The Hertzsprung-Russell diagram plots stars according to their luminosity and temperature, which is also associated with spectral class.

The Sun's high temperature places it to the far left of the Hertzsprung-Russell diagram.
The Sun's high temperature places it to the far left of the Hertzsprung-Russell diagram.

The Hertzsprung-Russell diagram plots stars according to their size and shape.
The Hertzsprung-Russell diagram plots stars according to their size and shape.

Stars with the highest temperatures appear towards the right side of the Hertzsprung-Russell diagram.

Answer 1

The correct statement is:

The Hertzsprung-Russell diagram plots stars according to their luminosity and temperature, which is also associated with spectral class.

This statement accurately describes the primary function of the Hertzsprung-Russell diagram, which is a crucial tool in astronomy for understanding the relationships between different types of stars.

Answer 2

he Sun, like 80 to 90 percent of stars, is in which stage of life?(1 point)
Responses

dying star
dying star

red giant
red giant

main sequence
main sequence

stellar formation

Answer 3

The correct answer is:

main sequence

The Sun is currently in the main sequence stage of its life cycle, which is the longest stage where it fuses hydrogen into helium in its core. This stage accounts for about 80 to 90 percent of a star's life.