HR Diagram

Front

What does the X-axis of the HR diagram measure?

Back

Temperature

Front

What is the color of the lowest surface temperature?

Back

Red

Front

Most of the stars on the HR diagram are classified as what type of star?

Back

Main Sequence

Front

Which type of stars are located in letter D on the HR diagram?

Back

Main Sequence - low mass stars

Front

What type of star has a high temperature and a low luminosity?

Back

White Dwarfs

Front

What does the Y-axis of the HR diagram measure?

Back

Luminosity

Front

What is the significance of the Main Sequence on the HR diagram?

Back

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

Front

What color are Blue Giants on the HR diagram?

Back

Blue

Front

What type of stars are found in the upper right corner of the HR diagram?

Back

Red Supergiants

Front

What is the relationship between a star's temperature and its color?

Back

Hotter stars are blue, while cooler stars are red.