6.3 Hertzsprung Russell Diagram

What is the Hertzsprung Russell diagram?

• The Hertzsprung-Russell diagram is a graph that plots the mass of stars against their composition.

• The Hertzsprung-Russell diagram is a graph that plots the size of stars against their age.

• The Hertzsprung-Russell diagram is a graph that plots the distance of stars from Earth against their brightness.

• The Hertzsprung-Russell diagram is a graph that plots the luminosity (brightness) of stars against their temperature

Which axis of the Hertzsprung Russell diagram represents a star's temperature?

• horizontal

• diagonal

• vertical

• curved

Which type of star is located in the lower left corner of the Hertzsprung Russell diagram?

• white dwarf

• red giant

• main sequence

• neutron star

Which type of star is located in the middle of the Hertzsprung Russell diagram?

• white dwarf star

• main sequence star

• red giant star

• neutron star

Which type of star has the highest luminosity on the Hertzsprung Russell diagram?

• main sequence

• supergiant

• white dwarf

• giant

Which type of star has the lowest luminosity on the Hertzsprung Russell diagram?

• white dwarf

• main sequence

• red giant

• supergiant

Which type of star has the highest temperature on the Hertzsprung Russell diagram?

• white star

• blue star

• yellow star

• red star

Which type of star has the lowest temperature on the Hertzsprung Russell diagram?

• blue giant star

• yellow dwarf star

• white dwarf star

• red dwarf star

What is the main sequence on the Hertzsprung Russell diagram?

• Diagonal band

• Curved line

• Vertical line

• Horizontal line

Which type of star is located in the upper left corner of the Hertzsprung Russell diagram?

• yellow main sequence star

• red dwarf star

• white dwarf star

• blue giant star