Hertzsprung-Russell Diagram

Front

What does the H-R Diagram tell us besides luminosity and temperature?

Back

Size, color, and element makeup.

Front

A star's temperature determines its ________.

Back

color.

Front

What is the H-R diagram?

Back

A diagram that plots stars based on their brightness and color.

Front

The hottest stars in the sky are _____ in color.

Back

Blue.

Front

What is the correct order from hottest to coolest stars?

Back

Blue, yellow, orange, red.

Front

What does the vertical axis of the H-R Diagram represent?

Back

Luminosity of stars.

Front

What does the horizontal axis of the H-R Diagram represent?

Back

Temperature of stars.

Front

What type of stars are found in the upper right corner of the H-R Diagram?

Back

Red giants.

Front

What type of stars are found in the lower left corner of the H-R Diagram?

Back

White dwarfs.

Front

What is the significance of the main sequence on the H-R Diagram?

Back

It represents the stage where stars spend most of their lifetime fusing hydrogen into helium.