7.14.3 HR Diagrams Review

Front

What does the horizontal (X) axis of the HR Diagram represent?

Back

The horizontal (X) axis of the HR Diagram shows temperature.

Front

How is temperature represented on the HR Diagram?

Back

The temperature decreases as you move to the right.

Front

What color are the hottest stars?

Back

Blue.

Front

What determines whether a star will end as a black hole or a neutron star?

Back

The mass of the star.

Front

Why are blue giants, red giants, red supergiants, and white dwarfs not in the main sequence?

Back

The relationship between their temperature and brightness is different from the stars in the main sequence.

Front

Which stars can fuse elements heavier than helium?

Back

High mass stars.

Front

What is the main sequence in the HR Diagram?

Back

The main sequence is a continuous band of stars that fuse hydrogen into helium in their cores.

Front

What is the significance of a star's temperature in the HR Diagram?

Back

A star's temperature affects its color, brightness, and position on the HR Diagram.

Front

What type of stars are found at the top right of the HR Diagram?

Back

Red supergiants.

Front

What type of stars are found at the bottom left of the HR Diagram?

Back

White dwarfs.