Life Cycle of Stars and HR Diagram

Front

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

Back

Temperature

Front

Is the surface temperature of White Dwarf stars higher or lower than Red Supergiants?

Back

Higher

Front

What is the primary element that stars fuse early in their life cycle?

Back

Hydrogen

Front

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

Back

Red Supergiants

Front

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

Back

Blue Giants

Front

What is the main sequence in the HR diagram?

Back

A continuous band of stars that ranges from hot, luminous stars to cool, dim stars.

Front

What are Red Supergiants?

Back

Massive stars that have expanded and cooled, located at the upper right of the HR diagram.

Front

What is a White Dwarf?

Back

A small, dense star that is the remnant of a low to medium mass star after it has exhausted its nuclear fuel.

Front

What is the significance of the HR diagram in astronomy?

Back

It helps classify stars based on their luminosity, temperature, and evolutionary stage.

Front

What happens to a star after it exhausts its hydrogen fuel?

Back

It expands into a Red Giant or Red Supergiant, depending on its mass.