HR Diagram

Open Ended

Using the HR diagram locate the group of stars labeled Supergiants. The stars in this group are at least 100 times the mass of our Sun. Name a white supergiant star.

Multiple Choice

What does the Hertzsprung Diagram illustrate about stars?

• The relationship between temperature and brightness

• The distance of stars from the Earth

• The age of stars in our galaxy

• The relationship between color and size

Multiple Choice

Which stars have the greatest luminosity (brightness) according to this HR diagram?

• Hot white dwarf stars

• Hot main sequence stars

• Cool supergiant stars

• Cool giant stars

Fill in the Blank

Most stars in the universe fit into one of the four areas of this Hertzsprung-Russell diagram. Which area of the diagram represents the white dwarfs? (Make sure to include a space)

Multiple Choice

Where are the hottest stars?

• left

• right

• top

• bottom

Multiple Choice

Where are the brightest stars?

• left

• right

• top

• bottom

Multiple Choice

Which star is a white dwarf?

• Sirius B

• Mira

• Sun

• Deneb

Multiple Choice

Which star is a supergiant?

• Sirius B

• Mira

• Sun

• Deneb

Multiple Choice

Which star is the hottest?

• Sirius B

• Mira

• Sun

• Deneb

Multiple Choice

Which star is the dimmest?

• Sirius B

• Mira

• Sun

• Deneb