HR Diagram

What is on the x-axis?

• temperature

• luminosity/size

A red star is:

• hotter

• colder

What is on the y-axis?

• temperature

• luminosity/size

A blue star is:

• hotter

• colder

Big stars are ________

• brighter

• dimmer

Cooler stars are on the:

• Left

• Right

Brighter stars are on the:

• Top

• Bottom

Where are the main sequence stars?

• A

• B

• C

• D

Where are the white dwarfs?

• A

• B

• C

• D

Where are the supergiants?

• A

• B

• C

• D